diff --git a/google-cloud-build-bom/pom.xml b/google-cloud-build-bom/pom.xml
index 4e110b05..8d945d8a 100644
--- a/google-cloud-build-bom/pom.xml
+++ b/google-cloud-build-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-build-bom</artifactId>
-  <version>2.6.2</version><!-- {x-version-update:google-cloud-build:current} -->
+  <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -63,17 +63,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-build</artifactId>
-        <version>2.6.2</version><!-- {x-version-update:google-cloud-build:current} -->
+        <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-build-v1</artifactId>
-        <version>2.6.2</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
+        <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-build-v1</artifactId>
-        <version>2.6.2</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
+        <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-build/clirr-ignored-differences.xml b/google-cloud-build/clirr-ignored-differences.xml
deleted file mode 100644
index 2c3b4ec5..00000000
--- a/google-cloud-build/clirr-ignored-differences.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- see http://www.mojohaus.org/clirr-maven-plugin/examples/ignored-differences.html -->
-<differences>
-  <!-- TODO: remove after 2.0.0 is released -->
-  <difference>
-    <differenceType>7002</differenceType>
-    <className>com/google/cloud/devtools/cloudbuild/v1/CloudBuildClient</className>
-    <method>com.google.longrunning.Operation createBuild(*)</method>
-  </difference>
-  <difference>
-    <differenceType>7002</differenceType>
-    <className>com/google/cloud/devtools/cloudbuild/v1/CloudBuildClient</className>
-    <method>com.google.longrunning.Operation retryBuild(*)</method>
-  </difference>
-  <difference>
-    <differenceType>7002</differenceType>
-    <className>com/google/cloud/devtools/cloudbuild/v1/CloudBuildClient</className>
-    <method>com.google.longrunning.Operation runBuildTrigger(*)</method>
-  </difference>
-  <difference>
-    <differenceType>7006</differenceType>
-    <className>com/google/cloud/devtools/cloudbuild/v1/CloudBuildClient</className>
-    <method>com.google.cloudbuild.v1.ListBuildTriggersResponse listBuildTriggers(*)</method>
-    <to>com.google.cloud.devtools.cloudbuild.v1.CloudBuildClient$ListBuildTriggersPagedResponse</to>
-  </difference>
-  <difference>
-    <differenceType>7006</differenceType>
-    <className>com/google/cloud/devtools/cloudbuild/v1/CloudBuildSettings*</className>
-    <method>com.google.api.gax.rpc.UnaryCallSettings* listBuildTriggersSettings()</method>
-    <to>com.google.api.gax.rpc.PagedCallSettings*</to>
-  </difference>
-  <difference>
-    <differenceType>7006</differenceType>
-    <className>com/google/cloud/devtools/cloudbuild/v1/stub/CloudBuildStubSettings*</className>
-    <method>com.google.api.gax.rpc.UnaryCallSettings* listBuildTriggersSettings()</method>
-    <to>com.google.api.gax.rpc.PagedCallSettings*</to>
-  </difference>
-</differences>
\ No newline at end of file
diff --git a/google-cloud-build/pom.xml b/google-cloud-build/pom.xml
index 681beb12..33194983 100644
--- a/google-cloud-build/pom.xml
+++ b/google-cloud-build/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-build</artifactId>
-  <version>2.6.2</version><!-- {x-version-update:google-cloud-build:current} -->
+  <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Build</name>
   <url>https://github.com/googleapis/java-cloudbuild</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-build-parent</artifactId>
-    <version>2.6.2</version><!-- {x-version-update:google-cloud-build:current} -->
+    <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-build</site.installationModule>
diff --git a/grpc-google-cloud-build-v1/clirr-ignored-differences.xml b/grpc-google-cloud-build-v1/clirr-ignored-differences.xml
deleted file mode 100644
index ff8ab3b4..00000000
--- a/grpc-google-cloud-build-v1/clirr-ignored-differences.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- see http://www.mojohaus.org/clirr-maven-plugin/examples/ignored-differences.html -->
-<differences>
-  <difference>
-    <!-- TODO: remove after 1.0.4 released -->
-    <differenceType>6001</differenceType>
-    <className>com/google/cloudbuild/v1/*Grpc</className>
-    <field>METHOD_*</field>
-  </difference>
-</differences>
\ No newline at end of file
diff --git a/grpc-google-cloud-build-v1/pom.xml b/grpc-google-cloud-build-v1/pom.xml
index fa7e74f4..f97692fe 100644
--- a/grpc-google-cloud-build-v1/pom.xml
+++ b/grpc-google-cloud-build-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-build-v1</artifactId>
-  <version>2.6.2</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
+  <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
   <name>grpc-google-cloud-build-v1</name>
   <description>GRPC library for grpc-google-cloud-build-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-build-parent</artifactId>
-    <version>2.6.2</version><!-- {x-version-update:google-cloud-build:current} -->
+    <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index a74e3033..ec611f2d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-build-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.6.2</version><!-- {x-version-update:google-cloud-build:current} -->
+  <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   <name>Google Cloud Build Parent</name>
   <url>https://github.com/googleapis/java-cloudbuild</url>
   <description>
@@ -71,17 +71,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-build-v1</artifactId>
-        <version>2.6.2</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
+        <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-build</artifactId>
-        <version>2.6.2</version><!-- {x-version-update:google-cloud-build:current} -->
+        <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-build-v1</artifactId>
-        <version>2.6.2</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
+        <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-build-v1/clirr-ignored-differences.xml b/proto-google-cloud-build-v1/clirr-ignored-differences.xml
index 5c890a5d..c8cff9c1 100644
--- a/proto-google-cloud-build-v1/clirr-ignored-differences.xml
+++ b/proto-google-cloud-build-v1/clirr-ignored-differences.xml
@@ -16,4 +16,4 @@
     <className>com/google/cloudbuild/v1/*OrBuilder</className>
     <method>boolean has*(*)</method>
   </difference>
-</differences>
\ No newline at end of file
+</differences>
diff --git a/proto-google-cloud-build-v1/pom.xml b/proto-google-cloud-build-v1/pom.xml
index f40de697..c803bb8b 100644
--- a/proto-google-cloud-build-v1/pom.xml
+++ b/proto-google-cloud-build-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-build-v1</artifactId>
-  <version>2.6.2</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
+  <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
   <name>proto-google-cloud-build-v1</name>
   <description>PROTO library for proto-google-cloud-build-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-build-parent</artifactId>
-    <version>2.6.2</version><!-- {x-version-update:google-cloud-build:current} -->
+    <version>2.6.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index 28660f33..b088b954 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-build:2.6.2:2.6.2
-grpc-google-cloud-build-v1:2.6.2:2.6.2
-proto-google-cloud-build-v1:2.6.2:2.6.2
+google-cloud-build:2.6.2:2.6.3-SNAPSHOT
+grpc-google-cloud-build-v1:2.6.2:2.6.3-SNAPSHOT
+proto-google-cloud-build-v1:2.6.2:2.6.3-SNAPSHOT