diff --git a/java-bigquerymigration/google-cloud-bigquerymigration-bom/pom.xml b/java-bigquerymigration/google-cloud-bigquerymigration-bom/pom.xml
index 983071fd5e61..e39d972efb90 100644
--- a/java-bigquerymigration/google-cloud-bigquerymigration-bom/pom.xml
+++ b/java-bigquerymigration/google-cloud-bigquerymigration-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquerymigration-bom</artifactId>
-  <version>0.5.0</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
+  <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -65,27 +65,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigquerymigration</artifactId>
-        <version>0.5.0</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
+        <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerymigration-v2alpha</artifactId>
-        <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2alpha:current} -->
+        <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2alpha:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerymigration-v2</artifactId>
-        <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2:current} -->
+        <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerymigration-v2alpha</artifactId>
-        <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2alpha:current} -->
+        <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2alpha:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerymigration-v2</artifactId>
-        <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2:current} -->
+        <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-bigquerymigration/google-cloud-bigquerymigration/pom.xml b/java-bigquerymigration/google-cloud-bigquerymigration/pom.xml
index 3903dbc06b20..866f3b528d22 100644
--- a/java-bigquerymigration/google-cloud-bigquerymigration/pom.xml
+++ b/java-bigquerymigration/google-cloud-bigquerymigration/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquerymigration</artifactId>
-  <version>0.5.0</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
+  <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
   <packaging>jar</packaging>
   <name>Google BigQuery Migration</name>
   <url>https://github.com/googleapis/java-bigquerymigration</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerymigration-parent</artifactId>
-    <version>0.5.0</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
+    <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-bigquerymigration</site.installationModule>
diff --git a/java-bigquerymigration/grpc-google-cloud-bigquerymigration-v2/pom.xml b/java-bigquerymigration/grpc-google-cloud-bigquerymigration-v2/pom.xml
index 7cde9f462cb9..251a07304201 100644
--- a/java-bigquerymigration/grpc-google-cloud-bigquerymigration-v2/pom.xml
+++ b/java-bigquerymigration/grpc-google-cloud-bigquerymigration-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-bigquerymigration-v2</artifactId>
-  <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2:current} -->
+  <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2:current} -->
   <name>grpc-google-cloud-bigquerymigration-v2</name>
   <description>GRPC library for google-cloud-bigquerymigration</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerymigration-parent</artifactId>
-    <version>0.5.0</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
+    <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-bigquerymigration/grpc-google-cloud-bigquerymigration-v2alpha/pom.xml b/java-bigquerymigration/grpc-google-cloud-bigquerymigration-v2alpha/pom.xml
index 373c4f799bbf..b1edd5ed44b2 100644
--- a/java-bigquerymigration/grpc-google-cloud-bigquerymigration-v2alpha/pom.xml
+++ b/java-bigquerymigration/grpc-google-cloud-bigquerymigration-v2alpha/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-bigquerymigration-v2alpha</artifactId>
-  <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2alpha:current} -->
+  <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2alpha:current} -->
   <name>grpc-google-cloud-bigquerymigration-v2alpha</name>
   <description>GRPC library for google-cloud-bigquerymigration</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerymigration-parent</artifactId>
-    <version>0.5.0</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
+    <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-bigquerymigration/pom.xml b/java-bigquerymigration/pom.xml
index 24d7bf672cbe..57e5125658f9 100644
--- a/java-bigquerymigration/pom.xml
+++ b/java-bigquerymigration/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquerymigration-parent</artifactId>
   <packaging>pom</packaging>
-  <version>0.5.0</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
+  <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
   <name>Google BigQuery Migration Parent</name>
   <url>https://github.com/googleapis/java-bigquerymigration</url>
   <description>
@@ -69,27 +69,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigquerymigration</artifactId>
-        <version>0.5.0</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
+        <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerymigration-v2</artifactId>
-        <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2:current} -->
+        <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerymigration-v2</artifactId>
-        <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2:current} -->
+        <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerymigration-v2alpha</artifactId>
-        <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2alpha:current} -->
+        <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerymigration-v2alpha:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerymigration-v2alpha</artifactId>
-        <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2alpha:current} -->
+        <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2alpha:current} -->
       </dependency>
 
       <dependency>
diff --git a/java-bigquerymigration/proto-google-cloud-bigquerymigration-v2/pom.xml b/java-bigquerymigration/proto-google-cloud-bigquerymigration-v2/pom.xml
index e703d6318943..da81a9707e3f 100644
--- a/java-bigquerymigration/proto-google-cloud-bigquerymigration-v2/pom.xml
+++ b/java-bigquerymigration/proto-google-cloud-bigquerymigration-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-bigquerymigration-v2</artifactId>
-  <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2:current} -->
+  <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2:current} -->
   <name>proto-google-cloud-bigquerymigration-v2</name>
   <description>Proto library for google-cloud-bigquerymigration</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerymigration-parent</artifactId>
-    <version>0.5.0</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
+    <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-bigquerymigration/proto-google-cloud-bigquerymigration-v2alpha/pom.xml b/java-bigquerymigration/proto-google-cloud-bigquerymigration-v2alpha/pom.xml
index 93b8ce2d1008..74aed3a04f01 100644
--- a/java-bigquerymigration/proto-google-cloud-bigquerymigration-v2alpha/pom.xml
+++ b/java-bigquerymigration/proto-google-cloud-bigquerymigration-v2alpha/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-bigquerymigration-v2alpha</artifactId>
-  <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2alpha:current} -->
+  <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerymigration-v2alpha:current} -->
   <name>proto-google-cloud-bigquerymigration-v2alpha</name>
   <description>Proto library for google-cloud-bigquerymigration</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerymigration-parent</artifactId>
-    <version>0.5.0</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
+    <version>0.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerymigration:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-bigquerymigration/versions.txt b/java-bigquerymigration/versions.txt
index e4817e1fe17a..0828de251077 100644
--- a/java-bigquerymigration/versions.txt
+++ b/java-bigquerymigration/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-bigquerymigration:0.5.0:0.5.0
-grpc-google-cloud-bigquerymigration-v2alpha:0.5.0:0.5.0
-proto-google-cloud-bigquerymigration-v2alpha:0.5.0:0.5.0
-proto-google-cloud-bigquerymigration-v2:0.5.0:0.5.0
-grpc-google-cloud-bigquerymigration-v2:0.5.0:0.5.0
+google-cloud-bigquerymigration:0.5.0:0.5.1-SNAPSHOT
+grpc-google-cloud-bigquerymigration-v2alpha:0.5.0:0.5.1-SNAPSHOT
+proto-google-cloud-bigquerymigration-v2alpha:0.5.0:0.5.1-SNAPSHOT
+proto-google-cloud-bigquerymigration-v2:0.5.0:0.5.1-SNAPSHOT
+grpc-google-cloud-bigquerymigration-v2:0.5.0:0.5.1-SNAPSHOT