diff --git a/examples/books-example/pom.xml b/examples/books-example/pom.xml
index e0a279a52..f681ee401 100644
--- a/examples/books-example/pom.xml
+++ b/examples/books-example/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>de.saxsys.mvvmfx</groupId>
 		<artifactId>examples</artifactId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/contacts-example/pom.xml b/examples/contacts-example/pom.xml
index 506e70b78..ea06e28a7 100644
--- a/examples/contacts-example/pom.xml
+++ b/examples/contacts-example/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>de.saxsys.mvvmfx</groupId>
 		<artifactId>examples</artifactId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 	<artifactId>contacts-example</artifactId>
 
diff --git a/examples/jigsaw-example/pom.xml b/examples/jigsaw-example/pom.xml
index 8c2715ab7..2f56c0f60 100644
--- a/examples/jigsaw-example/pom.xml
+++ b/examples/jigsaw-example/pom.xml
@@ -30,7 +30,7 @@
         <maven.compiler.target>11</maven.compiler.target>
 
         <java.version>11</java.version>
-        <mvvmfx.version>1.8.0</mvvmfx.version>
+        <mvvmfx.version>1.9.0-SNAPSHOT</mvvmfx.version>
     </properties>
 
     <build>
diff --git a/examples/mini-examples/async-todoapp-futures/pom.xml b/examples/mini-examples/async-todoapp-futures/pom.xml
index d723806b5..7b2020c32 100644
--- a/examples/mini-examples/async-todoapp-futures/pom.xml
+++ b/examples/mini-examples/async-todoapp-futures/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mini-examples</artifactId>
         <groupId>de.saxsys.mvvmfx</groupId>
-        <version>1.8.0</version>
+        <version>1.9.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/mini-examples/fx-root-example/pom.xml b/examples/mini-examples/fx-root-example/pom.xml
index 35400de61..b1780fd92 100644
--- a/examples/mini-examples/fx-root-example/pom.xml
+++ b/examples/mini-examples/fx-root-example/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<artifactId>mini-examples</artifactId>
 		<groupId>de.saxsys.mvvmfx</groupId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/mini-examples/helloworld-custom-fxml-path/pom.xml b/examples/mini-examples/helloworld-custom-fxml-path/pom.xml
index f59a85bae..a5e18f247 100644
--- a/examples/mini-examples/helloworld-custom-fxml-path/pom.xml
+++ b/examples/mini-examples/helloworld-custom-fxml-path/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mini-examples</artifactId>
         <groupId>de.saxsys.mvvmfx</groupId>
-        <version>1.8.0</version>
+        <version>1.9.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/mini-examples/helloworld-spring-boot/pom.xml b/examples/mini-examples/helloworld-spring-boot/pom.xml
index adaf91aac..a58cb5000 100644
--- a/examples/mini-examples/helloworld-spring-boot/pom.xml
+++ b/examples/mini-examples/helloworld-spring-boot/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mini-examples</artifactId>
         <groupId>de.saxsys.mvvmfx</groupId>
-        <version>1.8.0</version>
+        <version>1.9.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>de.saxsys</groupId>
             <artifactId>mvvmfx-spring-boot</artifactId>
-            <version>1.8.0</version>
+            <version>1.9.0-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/examples/mini-examples/helloworld-without-fxml/pom.xml b/examples/mini-examples/helloworld-without-fxml/pom.xml
index 0c240c308..789fce8e7 100644
--- a/examples/mini-examples/helloworld-without-fxml/pom.xml
+++ b/examples/mini-examples/helloworld-without-fxml/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<artifactId>mini-examples</artifactId>
 		<groupId>de.saxsys.mvvmfx</groupId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/mini-examples/helloworld/pom.xml b/examples/mini-examples/helloworld/pom.xml
index bddba7917..1e2367e09 100644
--- a/examples/mini-examples/helloworld/pom.xml
+++ b/examples/mini-examples/helloworld/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<artifactId>mini-examples</artifactId>
 		<groupId>de.saxsys.mvvmfx</groupId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/mini-examples/pom.xml b/examples/mini-examples/pom.xml
index 159200c43..a6d134c45 100644
--- a/examples/mini-examples/pom.xml
+++ b/examples/mini-examples/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<artifactId>examples</artifactId>
 		<groupId>de.saxsys.mvvmfx</groupId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<packaging>pom</packaging>
diff --git a/examples/mini-examples/scopes-example/pom.xml b/examples/mini-examples/scopes-example/pom.xml
index 8b07c73df..63fe298d3 100644
--- a/examples/mini-examples/scopes-example/pom.xml
+++ b/examples/mini-examples/scopes-example/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mini-examples</artifactId>
         <groupId>de.saxsys.mvvmfx</groupId>
-        <version>1.8.0</version>
+        <version>1.9.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/mini-examples/synchronizefx-example/pom.xml b/examples/mini-examples/synchronizefx-example/pom.xml
index dde69da8c..468ab5f36 100644
--- a/examples/mini-examples/synchronizefx-example/pom.xml
+++ b/examples/mini-examples/synchronizefx-example/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<artifactId>mini-examples</artifactId>
 		<groupId>de.saxsys.mvvmfx</groupId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/mini-examples/welcome-example/pom.xml b/examples/mini-examples/welcome-example/pom.xml
index 686bbc853..f32e5cc63 100644
--- a/examples/mini-examples/welcome-example/pom.xml
+++ b/examples/mini-examples/welcome-example/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<artifactId>mini-examples</artifactId>
 		<groupId>de.saxsys.mvvmfx</groupId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/pom.xml b/examples/pom.xml
index b3db1ebf2..352043431 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>de.saxsys</groupId>
 		<artifactId>mvvmfx-parent</artifactId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 
 	<groupId>de.saxsys.mvvmfx</groupId>
diff --git a/examples/todomvc-example/pom.xml b/examples/todomvc-example/pom.xml
index 9b6bf6791..c3c9bb661 100644
--- a/examples/todomvc-example/pom.xml
+++ b/examples/todomvc-example/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>de.saxsys.mvvmfx</groupId>
 		<artifactId>examples</artifactId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/mvvmfx-archetype/pom.xml b/mvvmfx-archetype/pom.xml
index 29d44d43d..a3c47f144 100644
--- a/mvvmfx-archetype/pom.xml
+++ b/mvvmfx-archetype/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>de.saxsys</groupId>
 		<artifactId>mvvmfx-parent</artifactId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 
 
diff --git a/mvvmfx-archetype/src/main/resources/archetype-resources/pom.xml b/mvvmfx-archetype/src/main/resources/archetype-resources/pom.xml
index 025ceb665..fe023ca0f 100644
--- a/mvvmfx-archetype/src/main/resources/archetype-resources/pom.xml
+++ b/mvvmfx-archetype/src/main/resources/archetype-resources/pom.xml
@@ -16,7 +16,7 @@
 			<dependency>
 				<groupId>de.saxsys</groupId>
 				<artifactId>mvvmfx-parent</artifactId>
-				<version>1.8.0</version>
+				<version>1.9.0-SNAPSHOT</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
diff --git a/mvvmfx-cdi/pom.xml b/mvvmfx-cdi/pom.xml
index 2086a0b6c..9aea84605 100644
--- a/mvvmfx-cdi/pom.xml
+++ b/mvvmfx-cdi/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>de.saxsys</groupId>
 		<artifactId>mvvmfx-parent</artifactId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>mvvmfx-cdi</artifactId>
diff --git a/mvvmfx-easydi/pom.xml b/mvvmfx-easydi/pom.xml
index ed12c0294..94b2c3132 100644
--- a/mvvmfx-easydi/pom.xml
+++ b/mvvmfx-easydi/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvvmfx-parent</artifactId>
         <groupId>de.saxsys</groupId>
-        <version>1.8.0</version>
+        <version>1.9.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/mvvmfx-guice/pom.xml b/mvvmfx-guice/pom.xml
index 328e82f46..e72a187cd 100644
--- a/mvvmfx-guice/pom.xml
+++ b/mvvmfx-guice/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>de.saxsys</groupId>
 		<artifactId>mvvmfx-parent</artifactId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>mvvmfx-guice</artifactId>
diff --git a/mvvmfx-spring-boot/pom.xml b/mvvmfx-spring-boot/pom.xml
index 635f5ae1b..1ee9b739b 100644
--- a/mvvmfx-spring-boot/pom.xml
+++ b/mvvmfx-spring-boot/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvvmfx-parent</artifactId>
         <groupId>de.saxsys</groupId>
-        <version>1.8.0</version>
+        <version>1.9.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/mvvmfx-testing-utils/pom.xml b/mvvmfx-testing-utils/pom.xml
index 7071cb9ed..d88c67192 100644
--- a/mvvmfx-testing-utils/pom.xml
+++ b/mvvmfx-testing-utils/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvvmfx-parent</artifactId>
         <groupId>de.saxsys</groupId>
-        <version>1.8.0</version>
+        <version>1.9.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/mvvmfx-utils/pom.xml b/mvvmfx-utils/pom.xml
index ddf2b9600..b00ffe64b 100644
--- a/mvvmfx-utils/pom.xml
+++ b/mvvmfx-utils/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mvvmfx-parent</artifactId>
         <groupId>de.saxsys</groupId>
-        <version>1.8.0</version>
+        <version>1.9.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/mvvmfx-validation/pom.xml b/mvvmfx-validation/pom.xml
index 711a3fe6e..549e6b36c 100644
--- a/mvvmfx-validation/pom.xml
+++ b/mvvmfx-validation/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>de.saxsys</groupId>
 		<artifactId>mvvmfx-parent</artifactId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>mvvmfx-validation</artifactId>
diff --git a/mvvmfx/pom.xml b/mvvmfx/pom.xml
index 8f5afdc12..bef5a09fc 100644
--- a/mvvmfx/pom.xml
+++ b/mvvmfx/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<groupId>de.saxsys</groupId>
 		<artifactId>mvvmfx-parent</artifactId>
-		<version>1.8.0</version>
+		<version>1.9.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>mvvmfx</artifactId>
diff --git a/pom.xml b/pom.xml
index a3f50ebba..811db4d17 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
 	<groupId>de.saxsys</groupId>
 	<artifactId>mvvmfx-parent</artifactId>
 	<packaging>pom</packaging>
-	<version>1.8.0</version>
+	<version>1.9.0-SNAPSHOT</version>
 	<name>mvvmFX parent</name>
 	<description>Application Framework for MVVM with JavaFX.</description>
 	<url>http://www.saxsys.de</url>