diff --git a/bindings/pom.xml b/bindings/pom.xml
index 2ec817130d..987a20c92f 100644
--- a/bindings/pom.xml
+++ b/bindings/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-bindings</artifactId>
     <packaging>pom</packaging>
diff --git a/bindings/register/pom.xml b/bindings/register/pom.xml
index 525cd21055..3603278224 100644
--- a/bindings/register/pom.xml
+++ b/bindings/register/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-bindings</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-binding-register</artifactId>
diff --git a/coding/kvp/pom.xml b/coding/kvp/pom.xml
index ca9cf4c240..fc5539fb28 100644
--- a/coding/kvp/pom.xml
+++ b/coding/kvp/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-coding</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-coding-kvp</artifactId>
diff --git a/coding/netcdf/api/pom.xml b/coding/netcdf/api/pom.xml
index b1403ec4e3..2dfee18b52 100644
--- a/coding/netcdf/api/pom.xml
+++ b/coding/netcdf/api/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-netcdf</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-api-netcdf</artifactId>
diff --git a/coding/netcdf/coding/pom.xml b/coding/netcdf/coding/pom.xml
index 300c526a59..f9b0a50aaf 100644
--- a/coding/netcdf/coding/pom.xml
+++ b/coding/netcdf/coding/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-netcdf</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-coding-netcdf</artifactId>
diff --git a/coding/netcdf/oceansites/pom.xml b/coding/netcdf/oceansites/pom.xml
index b5b7fb1aee..941cfb9903 100644
--- a/coding/netcdf/oceansites/pom.xml
+++ b/coding/netcdf/oceansites/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-netcdf</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-coding-oceansites</artifactId>
diff --git a/coding/netcdf/pom.xml b/coding/netcdf/pom.xml
index c7d5380b88..c836d6b441 100644
--- a/coding/netcdf/pom.xml
+++ b/coding/netcdf/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-coding</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-netcdf</artifactId>
diff --git a/coding/pom.xml b/coding/pom.xml
index 9a67491227..efa9214e5f 100644
--- a/coding/pom.xml
+++ b/coding/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-coding</artifactId>
     <packaging>pom</packaging>
diff --git a/coding/profile/pom.xml b/coding/profile/pom.xml
index e14910caba..ddd5d3bb51 100644
--- a/coding/profile/pom.xml
+++ b/coding/profile/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-coding</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-profile-coding</artifactId>
diff --git a/converter/eprtr/pom.xml b/converter/eprtr/pom.xml
index 935fe444c1..da7f463507 100644
--- a/converter/eprtr/pom.xml
+++ b/converter/eprtr/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-          <version>6.0.4-PR.1</version>
+          <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-eprtr</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/abstract-identifier/pom.xml b/converter/identifier-modifier/abstract-identifier/pom.xml
index 2c7433174e..1787be5646 100644
--- a/converter/identifier-modifier/abstract-identifier/pom.xml
+++ b/converter/identifier-modifier/abstract-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-abstract-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/ereporting-identifier/pom.xml b/converter/identifier-modifier/ereporting-identifier/pom.xml
index a8e4b35644..2178b57cec 100644
--- a/converter/identifier-modifier/ereporting-identifier/pom.xml
+++ b/converter/identifier-modifier/ereporting-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-ereporting-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/flexible-identifier/pom.xml b/converter/identifier-modifier/flexible-identifier/pom.xml
index 1552cec171..a8f1695707 100644
--- a/converter/identifier-modifier/flexible-identifier/pom.xml
+++ b/converter/identifier-modifier/flexible-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-flexible-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/pom.xml b/converter/identifier-modifier/pom.xml
index 8782bdd9e4..201fa956a6 100644
--- a/converter/identifier-modifier/pom.xml
+++ b/converter/identifier-modifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-         <version>6.0.4-PR.1</version>
+         <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-identifier-modifier</artifactId>
     <packaging>pom</packaging>
diff --git a/converter/identifier-modifier/prefixed-identifier/pom.xml b/converter/identifier-modifier/prefixed-identifier/pom.xml
index 23b411b3f8..1159d93392 100644
--- a/converter/identifier-modifier/prefixed-identifier/pom.xml
+++ b/converter/identifier-modifier/prefixed-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-prefixed-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/observation/pom.xml b/converter/observation/pom.xml
index da4545ea6f..f05a28a16d 100644
--- a/converter/observation/pom.xml
+++ b/converter/observation/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-observation-converter</artifactId>
     <name>52°North SOS - Observation Converter</name>
diff --git a/converter/pom.xml b/converter/pom.xml
index 1a499e5e12..55bd8d1ceb 100644
--- a/converter/pom.xml
+++ b/converter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-converter</artifactId>
     <packaging>pom</packaging>
diff --git a/converter/procedure-description/pom.xml b/converter/procedure-description/pom.xml
index f1669946f0..1a2bc0fbe2 100644
--- a/converter/procedure-description/pom.xml
+++ b/converter/procedure-description/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-procedure-description-converter</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/split-and-merge/pom.xml b/converter/split-and-merge/pom.xml
index 77ad057c91..318deab8ca 100644
--- a/converter/split-and-merge/pom.xml
+++ b/converter/split-and-merge/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-          <version>6.0.4-PR.1</version>
+          <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-split-and-merge</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/transformation/coordinate/pom.xml b/converter/transformation/coordinate/pom.xml
index 404ca6de10..081fc3ba25 100644
--- a/converter/transformation/coordinate/pom.xml
+++ b/converter/transformation/coordinate/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-transformation</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-request-response-coordinate-transformer</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/transformation/pom.xml b/converter/transformation/pom.xml
index 3e62fe98ff..f08c04c4fe 100644
--- a/converter/transformation/pom.xml
+++ b/converter/transformation/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-transformation</artifactId>
     <packaging>pom</packaging>
diff --git a/core/api/pom.xml b/core/api/pom.xml
index 53bad230f9..87661ebc55 100644
--- a/core/api/pom.xml
+++ b/core/api/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-core</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-api</artifactId>
diff --git a/core/cache/pom.xml b/core/cache/pom.xml
index fcec1c642b..ea9f379cf5 100644
--- a/core/cache/pom.xml
+++ b/core/cache/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-core</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
      <artifactId>sos-cache</artifactId>
     <name>52°North SOS - Cache</name>
diff --git a/core/pom.xml b/core/pom.xml
index 6a90fe3908..206c1e9298 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -4,7 +4,7 @@
     <parent>
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         <artifactId>sos-parent</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-core</artifactId>
     <packaging>pom</packaging>
diff --git a/core/test/pom.xml b/core/test/pom.xml
index 23b0c23ddb..22ed5b7bfa 100644
--- a/core/test/pom.xml
+++ b/core/test/pom.xml
@@ -4,7 +4,7 @@
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         <artifactId>sos-core</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-test</artifactId>
     <name>52°North SOS - Test Module</name>
diff --git a/extensions/inspire/code/pom.xml b/extensions/inspire/code/pom.xml
index 76692d2065..a09dfd0f51 100644
--- a/extensions/inspire/code/pom.xml
+++ b/extensions/inspire/code/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-inspire</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-inspire-code</artifactId>
diff --git a/extensions/inspire/pom.xml b/extensions/inspire/pom.xml
index ba1dbc6e67..11606b4237 100644
--- a/extensions/inspire/pom.xml
+++ b/extensions/inspire/pom.xml
@@ -3,7 +3,7 @@
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         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-extensions</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-inspire</artifactId>
diff --git a/extensions/pom.xml b/extensions/pom.xml
index 62b99fbe69..1cdd201f36 100644
--- a/extensions/pom.xml
+++ b/extensions/pom.xml
@@ -4,7 +4,7 @@
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         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-extensions</artifactId>
     <packaging>pom</packaging>
diff --git a/handler/pom.xml b/handler/pom.xml
index 83f2852e98..43f2429b0f 100644
--- a/handler/pom.xml
+++ b/handler/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
      <artifactId>sos-handler</artifactId>
     <packaging>jar</packaging>
diff --git a/hibernate/c3p0/pom.xml b/hibernate/c3p0/pom.xml
index 15a9b4a0c4..2ac19de271 100644
--- a/hibernate/c3p0/pom.xml
+++ b/hibernate/c3p0/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-geodb-c3p0</artifactId>
diff --git a/hibernate/common/pom.xml b/hibernate/common/pom.xml
index e569bca0c4..6bf6104526 100644
--- a/hibernate/common/pom.xml
+++ b/hibernate/common/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-common</artifactId>
diff --git a/hibernate/datasource/common/pom.xml b/hibernate/datasource/common/pom.xml
index 4cc58439fb..bfab0d42a1 100644
--- a/hibernate/datasource/common/pom.xml
+++ b/hibernate/datasource/common/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate-datasource</artifactId>
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+        <version>6.0.4-SNAPSHOT</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-common</artifactId>
diff --git a/hibernate/datasource/h2/pom.xml b/hibernate/datasource/h2/pom.xml
index 6779d2dab2..c6fd454ecc 100644
--- a/hibernate/datasource/h2/pom.xml
+++ b/hibernate/datasource/h2/pom.xml
@@ -3,7 +3,7 @@
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         <artifactId>sos-hibernate-datasource</artifactId>
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+        <version>6.0.4-SNAPSHOT</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-h2</artifactId>
diff --git a/hibernate/datasource/mysql/pom.xml b/hibernate/datasource/mysql/pom.xml
index 02bd55d0c9..f9d3ae301d 100644
--- a/hibernate/datasource/mysql/pom.xml
+++ b/hibernate/datasource/mysql/pom.xml
@@ -3,7 +3,7 @@
     <parent>
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+        <version>6.0.4-SNAPSHOT</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-mysql</artifactId>
diff --git a/hibernate/datasource/oracle/pom.xml b/hibernate/datasource/oracle/pom.xml
index 2565b63466..09afd49862 100644
--- a/hibernate/datasource/oracle/pom.xml
+++ b/hibernate/datasource/oracle/pom.xml
@@ -3,7 +3,7 @@
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+        <version>6.0.4-SNAPSHOT</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-oracle</artifactId>
diff --git a/hibernate/datasource/pom.xml b/hibernate/datasource/pom.xml
index a941ee16a5..a0b2de2bef 100644
--- a/hibernate/datasource/pom.xml
+++ b/hibernate/datasource/pom.xml
@@ -3,7 +3,7 @@
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+        <version>6.0.4-SNAPSHOT</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource</artifactId>
diff --git a/hibernate/datasource/postgres/pom.xml b/hibernate/datasource/postgres/pom.xml
index b910838ec7..7cc36c49b1 100644
--- a/hibernate/datasource/postgres/pom.xml
+++ b/hibernate/datasource/postgres/pom.xml
@@ -3,7 +3,7 @@
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+        <version>6.0.4-SNAPSHOT</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-postgres</artifactId>
diff --git a/hibernate/datasource/sqlserver/pom.xml b/hibernate/datasource/sqlserver/pom.xml
index 058d861a8f..bda92551df 100644
--- a/hibernate/datasource/sqlserver/pom.xml
+++ b/hibernate/datasource/sqlserver/pom.xml
@@ -3,7 +3,7 @@
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+        <version>6.0.4-SNAPSHOT</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-sqlserver</artifactId>
diff --git a/hibernate/feature/pom.xml b/hibernate/feature/pom.xml
index 2abcfb1af5..4aec9af034 100644
--- a/hibernate/feature/pom.xml
+++ b/hibernate/feature/pom.xml
@@ -3,7 +3,7 @@
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         <artifactId>sos-hibernate</artifactId>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-feature</artifactId>
diff --git a/hibernate/h2/pom.xml b/hibernate/h2/pom.xml
index c24d9dcb91..b9d7a305f4 100644
--- a/hibernate/h2/pom.xml
+++ b/hibernate/h2/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-hibernate-h2</artifactId>
     <name>52°North SOS - Hibernate H2</name>
diff --git a/hibernate/handler/pom.xml b/hibernate/handler/pom.xml
index 5fa9f2c57b..6a4227822e 100644
--- a/hibernate/handler/pom.xml
+++ b/hibernate/handler/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-handler</artifactId>
diff --git a/hibernate/pom.xml b/hibernate/pom.xml
index 13aa7d100c..26553ab6d8 100644
--- a/hibernate/pom.xml
+++ b/hibernate/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-hibernate</artifactId>
     <packaging>pom</packaging>
diff --git a/hibernate/session-factory/pom.xml b/hibernate/session-factory/pom.xml
index af66a73113..cd8227fa0e 100644
--- a/hibernate/session-factory/pom.xml
+++ b/hibernate/session-factory/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-session-factory</artifactId>
diff --git a/hibernate/utils/pom.xml b/hibernate/utils/pom.xml
index 2c1a2f1632..2cd8b93d67 100644
--- a/hibernate/utils/pom.xml
+++ b/hibernate/utils/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-hibernate-utils</artifactId>
     <name>52°North SOS - Hibernate Utils</name>
diff --git a/operations/aqd-v10/pom.xml b/operations/aqd-v10/pom.xml
index a4bf22df7f..0caa603274 100644
--- a/operations/aqd-v10/pom.xml
+++ b/operations/aqd-v10/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-aqd-v10</artifactId>
diff --git a/operations/core-v100/pom.xml b/operations/core-v100/pom.xml
index 9a01f759e6..be0cfb8938 100644
--- a/operations/core-v100/pom.xml
+++ b/operations/core-v100/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
      <artifactId>sos-core-v100</artifactId>
diff --git a/operations/core-v20/pom.xml b/operations/core-v20/pom.xml
index b00bbb756e..1f28d14ea8 100644
--- a/operations/core-v20/pom.xml
+++ b/operations/core-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
      <artifactId>sos-core-v20</artifactId>
diff --git a/operations/enhanced-v20/pom.xml b/operations/enhanced-v20/pom.xml
index 66a03de099..52cce5c2ab 100644
--- a/operations/enhanced-v20/pom.xml
+++ b/operations/enhanced-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-enhanced-v20</artifactId>
diff --git a/operations/extensions-v20/pom.xml b/operations/extensions-v20/pom.xml
index 9a1ca6544f..44caa1c575 100644
--- a/operations/extensions-v20/pom.xml
+++ b/operations/extensions-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-extensions-v20</artifactId>
diff --git a/operations/pom.xml b/operations/pom.xml
index dcbe4a70d4..a2d6b1fb63 100644
--- a/operations/pom.xml
+++ b/operations/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-operations</artifactId>
     <packaging>pom</packaging>
diff --git a/operations/resultHandling-v20/pom.xml b/operations/resultHandling-v20/pom.xml
index 81b7febe35..c138af31ff 100644
--- a/operations/resultHandling-v20/pom.xml
+++ b/operations/resultHandling-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-resultHandling-v20</artifactId>
diff --git a/operations/transactional-v20/pom.xml b/operations/transactional-v20/pom.xml
index 324d2ea5c7..fbd5ae7450 100644
--- a/operations/transactional-v20/pom.xml
+++ b/operations/transactional-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-transactional-v20</artifactId>
diff --git a/pom.xml b/pom.xml
index a76f5daa9e..80a170b80a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 	</parent>
 	<groupId>org.n52.sensorweb-server.sos</groupId>
 	<artifactId>sos-parent</artifactId>
-	<version>6.0.4-PR.1</version>
+	<version>6.0.4-SNAPSHOT</version>
 	<name>52°North Sensor Observation Service</name>
 	<description>52°North Sensor Observation Service - Parent POM for defining dependency versions</description>
 	<url>https://github.com/52North/SOS</url>
@@ -20,7 +20,7 @@
 		<url>https://github.com/52North/SOS</url>
 		<connection>scm:git:https://github.com/52North/SOS.git</connection>
 		<developerConnection>scm:git:https://github.com/52North/SOS.git</developerConnection>
-		<tag>v6.0.4-PR.1</tag>
+		<tag>v6.0.0-PR.18</tag>
 	</scm>
 
 	<issueManagement>
diff --git a/proxy/aquarius/datasource/pom.xml b/proxy/aquarius/datasource/pom.xml
index 1c29752a2a..7239ea37fe 100644
--- a/proxy/aquarius/datasource/pom.xml
+++ b/proxy/aquarius/datasource/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy-aquarius</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-aquarius-datasource</artifactId>
diff --git a/proxy/aquarius/handler/pom.xml b/proxy/aquarius/handler/pom.xml
index 5572a970b7..27ee429735 100644
--- a/proxy/aquarius/handler/pom.xml
+++ b/proxy/aquarius/handler/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.n52.sensorweb-server.sos</groupId>
 		<artifactId>sos-proxy-aquarius</artifactId>
-		<version>6.0.4-PR.1</version>
+		<version>6.0.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>sos-proxy-aquarius-handler</artifactId>
diff --git a/proxy/aquarius/pom.xml b/proxy/aquarius/pom.xml
index c9622c9bea..934b40eb1b 100644
--- a/proxy/aquarius/pom.xml
+++ b/proxy/aquarius/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-proxy-aquarius</artifactId>
     <packaging>pom</packaging>
diff --git a/proxy/datasource/common/pom.xml b/proxy/datasource/common/pom.xml
index eb6650c97d..55fa501f98 100644
--- a/proxy/datasource/common/pom.xml
+++ b/proxy/datasource/common/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy-datasource</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-datasource-common</artifactId>
diff --git a/proxy/datasource/pom.xml b/proxy/datasource/pom.xml
index d55858ceb7..e1cccd6d24 100644
--- a/proxy/datasource/pom.xml
+++ b/proxy/datasource/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-datasource</artifactId>
diff --git a/proxy/harvest/common/pom.xml b/proxy/harvest/common/pom.xml
index fcebfa1b0e..d957c38d28 100644
--- a/proxy/harvest/common/pom.xml
+++ b/proxy/harvest/common/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy-harvest</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-harvest-common</artifactId>
diff --git a/proxy/harvest/dataaccess/pom.xml b/proxy/harvest/dataaccess/pom.xml
index a0ef41b210..df9f4c839f 100644
--- a/proxy/harvest/dataaccess/pom.xml
+++ b/proxy/harvest/dataaccess/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy-harvest</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-harvest-dataaccess</artifactId>
diff --git a/proxy/harvest/pom.xml b/proxy/harvest/pom.xml
index 1f828b1890..d836534e4c 100644
--- a/proxy/harvest/pom.xml
+++ b/proxy/harvest/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-harvest</artifactId>
diff --git a/proxy/pom.xml b/proxy/pom.xml
index db69d52449..f60d7dc4f2 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-proxy</artifactId>
     <packaging>pom</packaging>
diff --git a/spring/admin-controller/pom.xml b/spring/admin-controller/pom.xml
index 348b1aa9f4..49bf7dd043 100644
--- a/spring/admin-controller/pom.xml
+++ b/spring/admin-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-admin-controller</artifactId>
     <name>52°North SOS - Web Admin Controller</name>
diff --git a/spring/client-controller/pom.xml b/spring/client-controller/pom.xml
index d658c27142..d96c852223 100644
--- a/spring/client-controller/pom.xml
+++ b/spring/client-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-client-controller</artifactId>
     <name>52°North SOS - Web Client Controller</name>
diff --git a/spring/common-controller/pom.xml b/spring/common-controller/pom.xml
index acec2f5041..57040d51e7 100644
--- a/spring/common-controller/pom.xml
+++ b/spring/common-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-common-controller</artifactId>
     <name>52°North SOS - Web Common Controller</name>
diff --git a/spring/install-controller/pom.xml b/spring/install-controller/pom.xml
index adf121337e..07c97e03c7 100644
--- a/spring/install-controller/pom.xml
+++ b/spring/install-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-install-controller</artifactId>
     <name>52°North SOS - Web Install Controller</name>
diff --git a/spring/pom.xml b/spring/pom.xml
index 943933c271..e7d3318b0f 100644
--- a/spring/pom.xml
+++ b/spring/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>sos-parent</artifactId>
         <groupId>org.n52.sensorweb-server.sos</groupId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-spring</artifactId>
     <packaging>pom</packaging>
diff --git a/spring/views/pom.xml b/spring/views/pom.xml
index f03f9a1e33..52a56f3c74 100644
--- a/spring/views/pom.xml
+++ b/spring/views/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <artifactId>sos-views</artifactId>
     <name>52°North SOS - Web Views</name>
diff --git a/webapp/pom.xml b/webapp/pom.xml
index c8af5a6352..aecaceaf6d 100644
--- a/webapp/pom.xml
+++ b/webapp/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>sos-parent</artifactId>
         <groupId>org.n52.sensorweb-server.sos</groupId>
-        <version>6.0.4-PR.1</version>
+        <version>6.0.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-webapp</artifactId>