diff --git a/java-iam-admin/google-iam-admin-bom/pom.xml b/java-iam-admin/google-iam-admin-bom/pom.xml
index 7c48912ed4b5..c23c84e574a7 100644
--- a/java-iam-admin/google-iam-admin-bom/pom.xml
+++ b/java-iam-admin/google-iam-admin-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-iam-admin-bom</artifactId>
-  <version>1.2.3</version><!-- {x-version-update:google-iam-admin:current} -->
+  <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:google-iam-admin:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -65,17 +65,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-iam-admin</artifactId>
-        <version>1.2.3</version><!-- {x-version-update:google-iam-admin:current} -->
+        <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:google-iam-admin:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-admin-v1</artifactId>
-        <version>1.2.3</version><!-- {x-version-update:grpc-google-iam-admin-v1:current} -->
+        <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-admin-v1</artifactId>
-        <version>1.2.3</version><!-- {x-version-update:proto-google-iam-admin-v1:current} -->
+        <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-admin-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-iam-admin/google-iam-admin/pom.xml b/java-iam-admin/google-iam-admin/pom.xml
index b677b68088b8..632054679527 100644
--- a/java-iam-admin/google-iam-admin/pom.xml
+++ b/java-iam-admin/google-iam-admin/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-iam-admin</artifactId>
-  <version>1.2.3</version><!-- {x-version-update:google-iam-admin:current} -->
+  <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:google-iam-admin:current} -->
   <packaging>jar</packaging>
   <name>Google IAM Admin API</name>
   <url>https://github.com/googleapis/java-iam-admin</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-admin-parent</artifactId>
-    <version>1.2.3</version><!-- {x-version-update:google-iam-admin:current} -->
+    <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:google-iam-admin:current} -->
   </parent>
   <properties>
     <site.installationModule>google-iam-admin</site.installationModule>
diff --git a/java-iam-admin/grpc-google-iam-admin-v1/pom.xml b/java-iam-admin/grpc-google-iam-admin-v1/pom.xml
index c8d795973dfc..d3efaab0cc7c 100644
--- a/java-iam-admin/grpc-google-iam-admin-v1/pom.xml
+++ b/java-iam-admin/grpc-google-iam-admin-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-iam-admin-v1</artifactId>
-  <version>1.2.3</version><!-- {x-version-update:grpc-google-iam-admin-v1:current} -->
+  <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-admin-v1:current} -->
   <name>grpc-google-iam-admin-v1</name>
   <description>GRPC library for google-iam-admin</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-admin-parent</artifactId>
-    <version>1.2.3</version><!-- {x-version-update:google-iam-admin:current} -->
+    <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:google-iam-admin:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-iam-admin/pom.xml b/java-iam-admin/pom.xml
index 5e835d3386ff..212f58d1b5fc 100644
--- a/java-iam-admin/pom.xml
+++ b/java-iam-admin/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-iam-admin-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.2.3</version><!-- {x-version-update:google-iam-admin:current} -->
+  <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:google-iam-admin:current} -->
   <name>Google IAM Admin API Parent</name>
   <url>https://github.com/googleapis/java-iam-admin</url>
   <description>
@@ -69,17 +69,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-iam-admin</artifactId>
-        <version>1.2.3</version><!-- {x-version-update:google-iam-admin:current} -->
+        <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:google-iam-admin:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-iam-admin-v1</artifactId>
-        <version>1.2.3</version><!-- {x-version-update:grpc-google-iam-admin-v1:current} -->
+        <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-admin-v1</artifactId>
-        <version>1.2.3</version><!-- {x-version-update:proto-google-iam-admin-v1:current} -->
+        <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-admin-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/java-iam-admin/proto-google-iam-admin-v1/pom.xml b/java-iam-admin/proto-google-iam-admin-v1/pom.xml
index e64fa9297933..2068ce2364d5 100644
--- a/java-iam-admin/proto-google-iam-admin-v1/pom.xml
+++ b/java-iam-admin/proto-google-iam-admin-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-iam-admin-v1</artifactId>
-  <version>1.2.3</version><!-- {x-version-update:proto-google-iam-admin-v1:current} -->
+  <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-admin-v1:current} -->
   <name>proto-google-iam-admin-v1</name>
   <description>Proto library for google-iam-admin</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-admin-parent</artifactId>
-    <version>1.2.3</version><!-- {x-version-update:google-iam-admin:current} -->
+    <version>1.2.4-SNAPSHOT</version><!-- {x-version-update:google-iam-admin:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-iam-admin/samples/snapshot/pom.xml b/java-iam-admin/samples/snapshot/pom.xml
index 76501e49b624..5ffa80ce6ac3 100644
--- a/java-iam-admin/samples/snapshot/pom.xml
+++ b/java-iam-admin/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-iam-admin</artifactId>
-      <version>1.2.3</version>
+      <version>1.2.4-SNAPSHOT</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/java-iam-admin/versions.txt b/java-iam-admin/versions.txt
index 56eeafbadcb5..763e3d6c4a93 100644
--- a/java-iam-admin/versions.txt
+++ b/java-iam-admin/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-iam-admin:1.2.3:1.2.3
-grpc-google-iam-admin-v1:1.2.3:1.2.3
-proto-google-iam-admin-v1:1.2.3:1.2.3
+google-iam-admin:1.2.3:1.2.4-SNAPSHOT
+grpc-google-iam-admin-v1:1.2.3:1.2.4-SNAPSHOT
+proto-google-iam-admin-v1:1.2.3:1.2.4-SNAPSHOT