diff --git a/google-cloud-dialogflow-cx-bom/pom.xml b/google-cloud-dialogflow-cx-bom/pom.xml
index 75b35c2f6..ec38d230e 100644
--- a/google-cloud-dialogflow-cx-bom/pom.xml
+++ b/google-cloud-dialogflow-cx-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-cx-bom</artifactId>
-  <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -56,27 +56,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow-cx</artifactId>
-        <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+        <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.12.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3</artifactId>
-        <version>0.12.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.12.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3</artifactId>
-        <version>0.12.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-dialogflow-cx/pom.xml b/google-cloud-dialogflow-cx/pom.xml
index 3b8d09750..c9d3c5677 100644
--- a/google-cloud-dialogflow-cx/pom.xml
+++ b/google-cloud-dialogflow-cx/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-cx</artifactId>
-  <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   <packaging>jar</packaging>
   <name>Google Dialogflow CX</name>
   <url>https://github.com/googleapis/java-dialogflow-cx</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-dialogflow-cx</site.installationModule>
diff --git a/grpc-google-cloud-dialogflow-cx-v3/pom.xml b/grpc-google-cloud-dialogflow-cx-v3/pom.xml
index adf72363c..d00427ff9 100644
--- a/grpc-google-cloud-dialogflow-cx-v3/pom.xml
+++ b/grpc-google-cloud-dialogflow-cx-v3/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-dialogflow-cx-v3</artifactId>
-  <version>0.12.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
+  <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
   <name>grpc-google-cloud-dialogflow-cx-v3</name>
   <description>GRPC library for grpc-google-cloud-dialogflow-cx-v3</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml b/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml
index 87f9779e4..8173f6cfb 100644
--- a/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml
+++ b/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-dialogflow-cx-v3beta1</artifactId>
-  <version>0.12.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+  <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
   <name>grpc-google-cloud-dialogflow-cx-v3beta1</name>
   <description>GRPC library for grpc-google-cloud-dialogflow-cx-v3beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 481780086..b2fceaa9e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
   <packaging>pom</packaging>
-  <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   <name>Google Dialogflow CX Parent</name>
   <url>https://github.com/googleapis/java-dialogflow-cx</url>
   <description>
@@ -61,27 +61,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow-cx</artifactId>
-        <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+        <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.12.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3</artifactId>
-        <version>0.12.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.12.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3</artifactId>
-        <version>0.12.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-dialogflow-cx-v3/pom.xml b/proto-google-cloud-dialogflow-cx-v3/pom.xml
index 35a940ad9..7836b8430 100644
--- a/proto-google-cloud-dialogflow-cx-v3/pom.xml
+++ b/proto-google-cloud-dialogflow-cx-v3/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-dialogflow-cx-v3</artifactId>
-  <version>0.12.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
+  <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
   <name>proto-google-cloud-dialogflow-cx-v3</name>
   <description>PROTO library for proto-google-cloud-dialogflow-cx-v3</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml b/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml
index cbaf7fc13..f12cf9220 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-dialogflow-cx-v3beta1</artifactId>
-  <version>0.12.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+  <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
   <name>proto-google-cloud-dialogflow-cx-v3beta1</name>
   <description>PROTO library for proto-google-cloud-dialogflow-cx-v3beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.12.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 1aabdcaa0..570a87388 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-dialogflow-cx</artifactId>
-      <version>0.12.0</version>
+      <version>0.12.1-SNAPSHOT</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>
diff --git a/versions.txt b/versions.txt
index 7d3c51460..cff41125b 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-dialogflow-cx:0.12.0:0.12.0
-grpc-google-cloud-dialogflow-cx-v3beta1:0.12.0:0.12.0
-grpc-google-cloud-dialogflow-cx-v3:0.12.0:0.12.0
-proto-google-cloud-dialogflow-cx-v3beta1:0.12.0:0.12.0
-proto-google-cloud-dialogflow-cx-v3:0.12.0:0.12.0
+google-cloud-dialogflow-cx:0.12.0:0.12.1-SNAPSHOT
+grpc-google-cloud-dialogflow-cx-v3beta1:0.12.0:0.12.1-SNAPSHOT
+grpc-google-cloud-dialogflow-cx-v3:0.12.0:0.12.1-SNAPSHOT
+proto-google-cloud-dialogflow-cx-v3beta1:0.12.0:0.12.1-SNAPSHOT
+proto-google-cloud-dialogflow-cx-v3:0.12.0:0.12.1-SNAPSHOT