diff --git a/java-dlp/google-cloud-dlp-bom/pom.xml b/java-dlp/google-cloud-dlp-bom/pom.xml
index 384b9ca7f043..2dfc7857fa30 100644
--- a/java-dlp/google-cloud-dlp-bom/pom.xml
+++ b/java-dlp/google-cloud-dlp-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dlp-bom</artifactId>
-  <version>3.6.3</version><!-- {x-version-update:google-cloud-dlp:current} -->
+  <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-dlp:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,17 +52,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dlp</artifactId>
-        <version>3.6.3</version><!-- {x-version-update:google-cloud-dlp:current} -->
+        <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-dlp:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dlp-v2</artifactId>
-        <version>3.6.3</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
+        <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dlp-v2</artifactId>
-        <version>3.6.3</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
+        <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-dlp/google-cloud-dlp/pom.xml b/java-dlp/google-cloud-dlp/pom.xml
index 748cc09d653d..dd38924f28bb 100644
--- a/java-dlp/google-cloud-dlp/pom.xml
+++ b/java-dlp/google-cloud-dlp/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dlp</artifactId>
-  <version>3.6.3</version><!-- {x-version-update:google-cloud-dlp:current} -->
+  <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-dlp:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud DLP</name>
   <url>https://github.com/googleapis/java-dlp</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dlp-parent</artifactId>
-    <version>3.6.3</version><!-- {x-version-update:google-cloud-dlp:current} -->
+    <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-dlp:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-dlp</site.installationModule>
diff --git a/java-dlp/grpc-google-cloud-dlp-v2/pom.xml b/java-dlp/grpc-google-cloud-dlp-v2/pom.xml
index d964264a6fd2..1269e5c13a4f 100644
--- a/java-dlp/grpc-google-cloud-dlp-v2/pom.xml
+++ b/java-dlp/grpc-google-cloud-dlp-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-dlp-v2</artifactId>
-  <version>3.6.3</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
+  <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
   <name>grpc-google-cloud-dlp-v2</name>
   <description>GRPC library for grpc-google-cloud-dlp-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dlp-parent</artifactId>
-    <version>3.6.3</version><!-- {x-version-update:google-cloud-dlp:current} -->
+    <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-dlp:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-dlp/pom.xml b/java-dlp/pom.xml
index 19584d95146a..2e091159ed56 100644
--- a/java-dlp/pom.xml
+++ b/java-dlp/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dlp-parent</artifactId>
   <packaging>pom</packaging>
-  <version>3.6.3</version><!-- {x-version-update:google-cloud-dlp:current} -->
+  <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-dlp:current} -->
   <name>Google Cloud DLP Parent</name>
   <url>https://github.com/googleapis/java-dlp</url>
   <description>
@@ -61,17 +61,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dlp-v2</artifactId>
-        <version>3.6.3</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
+        <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dlp-v2</artifactId>
-        <version>3.6.3</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
+        <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dlp</artifactId>
-        <version>3.6.3</version><!-- {x-version-update:google-cloud-dlp:current} -->
+        <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-dlp:current} -->
       </dependency>
 
       <dependency>
diff --git a/java-dlp/proto-google-cloud-dlp-v2/pom.xml b/java-dlp/proto-google-cloud-dlp-v2/pom.xml
index 843dbe245eb4..471c8178c15e 100644
--- a/java-dlp/proto-google-cloud-dlp-v2/pom.xml
+++ b/java-dlp/proto-google-cloud-dlp-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-dlp-v2</artifactId>
-  <version>3.6.3</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
+  <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
   <name>proto-google-cloud-dlp-v2</name>
   <description>PROTO library for proto-google-cloud-dlp-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dlp-parent</artifactId>
-    <version>3.6.3</version><!-- {x-version-update:google-cloud-dlp:current} -->
+    <version>3.6.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-dlp:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-dlp/samples/snapshot/pom.xml b/java-dlp/samples/snapshot/pom.xml
index c96eeb8dbabb..f6d7fbd712f3 100644
--- a/java-dlp/samples/snapshot/pom.xml
+++ b/java-dlp/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-dlp</artifactId>
-      <version>3.6.3</version>
+      <version>3.6.4-SNAPSHOT</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/java-dlp/versions.txt b/java-dlp/versions.txt
index 9f6f9eea8e2f..91d7168ae5ee 100644
--- a/java-dlp/versions.txt
+++ b/java-dlp/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-dlp:3.6.3:3.6.3
-grpc-google-cloud-dlp-v2:3.6.3:3.6.3
-proto-google-cloud-dlp-v2:3.6.3:3.6.3
+google-cloud-dlp:3.6.3:3.6.4-SNAPSHOT
+grpc-google-cloud-dlp-v2:3.6.3:3.6.4-SNAPSHOT
+proto-google-cloud-dlp-v2:3.6.3:3.6.4-SNAPSHOT