diff --git a/.github/workflows/ci-maven.yaml b/.github/workflows/ci-maven.yaml
index dfbdbfb78b..15ba07a36e 100644
--- a/.github/workflows/ci-maven.yaml
+++ b/.github/workflows/ci-maven.yaml
@@ -20,7 +20,8 @@ jobs:
       - run: java -version
       - name: Unit Tests
         run: |
-          mvn verify --batch-mode --no-transfer-progress -Dcheckstyle.skip
+          mvn verify --batch-mode --no-transfer-progress -Dcheckstyle.skip \
+              -Dfmt.skip
 
   units-java8:
     name: "units (8) except gapic-generator-java"
@@ -48,7 +49,8 @@ jobs:
 
           # Why not compile? It's because the process needs to package jar so
           # that gapic-generator-java module can use testlib modules of gax.
-          mvn verify --batch-mode --no-transfer-progress -Dcheckstyle.skip  -DskipTests
+          mvn verify --batch-mode --no-transfer-progress -Dcheckstyle.skip \
+              -DskipTests -Dfmt.skip
       - name: Run test with Java 8 for all modules except gapic-generator-java
         shell: bash
         run: |
@@ -58,23 +60,35 @@ jobs:
           # useIncrementalCompilation=false to avoid recompiling classes
           # generated by Java 11 compiler above.
           mvn -B -ntp test  --projects '!gapic-generator-java' \
-              -Dcheckstyle.skip -Dmaven.compiler.useIncrementalCompilation=false
+              -Dcheckstyle.skip -Dmaven.compiler.useIncrementalCompilation=false \
+              -Dfmt.skip
 
   units-java8-gapic-generator-java:
     name: "units (8) for gapic-generator-java"
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+    - uses: actions/setup-java@v3
+      with:
+        java-version: 11
+        distribution: temurin
+        cache: maven
+    - name: Install modules outside gapic-generator-java
+      shell: bash
+      run: |
+        mvn -B -ntp install --projects '!gapic-generator-java' \
+            -Dcheckstyle.skip -Dfmt.skip -DskipTests
     - uses: actions/setup-java@v3
       with:
         java-version: 8
         distribution: temurin
         cache: maven
     - run: java -version
-    - name: Run test only for gapic-generator-java
+    - name: Run test only for gapic-generator-java using Java 8
       shell: bash
       run: |
-        mvn -B -ntp verify --projects 'gapic-generator-java' -Dcheckstyle.skip
+        mvn -B -ntp verify --projects 'gapic-generator-java' \
+            -Dcheckstyle.skip -Dfmt.skip
 
   lint:
     runs-on: ubuntu-latest
@@ -87,5 +101,5 @@ jobs:
           cache: maven
       - run: java -version
       - name: Java Linter
-        run: mvn fmt:check
-        working-directory: gapic-generator-java
\ No newline at end of file
+        # Exclude the root project
+        run: mvn -B -ntp --projects '!.' fmt:check
diff --git a/api-common-java/pom.xml b/api-common-java/pom.xml
index c720dd5804..30ad3b66ab 100644
--- a/api-common-java/pom.xml
+++ b/api-common-java/pom.xml
@@ -5,15 +5,16 @@
     <groupId>com.google.api</groupId>
     <artifactId>api-common</artifactId>
     <packaging>jar</packaging>
-    <version>2.3.1</version><!-- {x-version-update:api-common:current} -->
+    <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:api-common:current} -->
     <name>API Common</name>
     <url>https://github.com/googleapis/api-common-java</url>
     <description>Common utilities for Google APIs in Java</description>
 
     <parent>
         <groupId>com.google.cloud</groupId>
-        <artifactId>google-cloud-shared-config</artifactId>
-        <version>1.5.5</version>
+        <artifactId>gapic-generator-java-pom-parent</artifactId>
+        <version>2.12.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
+        <relativePath>../gapic-generator-java-pom-parent</relativePath>
     </parent>
 
     <developers>
@@ -49,7 +50,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>31.1-jre</version>
+            <version>${guava.version}</version>
         </dependency>
         <dependency>
             <groupId>com.google.auto.value</groupId>
@@ -69,7 +70,7 @@
         <dependency>
             <groupId>javax.annotation</groupId>
             <artifactId>javax.annotation-api</artifactId>
-            <version>1.3.2</version>
+            <version>${javax.annotation-api.version}</version>
         </dependency>
         <dependency>
             <groupId>com.google.errorprone</groupId>
diff --git a/gapic-generator-java-bom/pom.xml b/gapic-generator-java-bom/pom.xml
new file mode 100644
index 0000000000..ebdbffbf08
--- /dev/null
+++ b/gapic-generator-java-bom/pom.xml
@@ -0,0 +1,99 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.google.api</groupId>
+  <artifactId>gapic-generator-java-bom</artifactId>
+  <packaging>pom</packaging>
+  <version>2.12.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
+  <name>GAPIC Generator Java BOM</name>
+  <description>
+    BOM for the libraries in gapic-generator-java repository. Users should not
+    depend on this artifact explicitly because this BOM is an implementation
+    detail of the Libraries BOM.
+  </description>
+
+  <parent>
+    <groupId>com.google.cloud</groupId>
+    <artifactId>gapic-generator-java-pom-parent</artifactId>
+    <version>2.12.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <relativePath>../gapic-generator-java-pom-parent</relativePath>
+  </parent>
+
+  <dependencyManagement>
+    <dependencies>
+      <!-- Major external dependencies -->
+      <dependency>
+        <groupId>io.grpc</groupId>
+        <artifactId>grpc-bom</artifactId>
+        <version>${grpc.version}</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+      <dependency>
+        <groupId>com.google.protobuf</groupId>
+        <artifactId>protobuf-bom</artifactId>
+        <version>${protobuf.version}</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+
+      <!-- Libraries published from this repositories -->
+      <dependency>
+        <groupId>com.google.api</groupId>
+        <artifactId>api-common</artifactId>
+        <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:api-common:current} -->
+      </dependency>
+      <dependency>
+        <groupId>com.google.api</groupId>
+        <artifactId>gax-bom</artifactId>
+        <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc</groupId>
+        <artifactId>grpc-google-common-protos</artifactId>
+        <version>2.11.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
+      </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc</groupId>
+        <artifactId>proto-google-common-protos</artifactId>
+        <version>2.11.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
+      </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc</groupId>
+        <artifactId>proto-google-iam-v1</artifactId>
+        <version>1.6.23-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+      </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc</groupId>
+        <artifactId>proto-google-iam-v2</artifactId>
+        <version>1.6.23-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v2:current} -->
+      </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc</groupId>
+        <artifactId>proto-google-iam-v2beta</artifactId>
+        <version>1.6.23-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v2beta:current} -->
+      </dependency>
+
+      <!-- Following test deps are kept to keep them consistent with versions above -->
+      <dependency>
+        <groupId>com.google.api.grpc</groupId>
+        <artifactId>grpc-google-iam-v1</artifactId>
+        <version>1.6.23-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v1:current} -->
+      </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc</groupId>
+        <artifactId>grpc-google-iam-v2</artifactId>
+        <version>1.6.23-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v2:current} -->
+      </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc</groupId>
+        <artifactId>grpc-google-iam-v2beta</artifactId>
+        <version>1.6.23-SNAPSHOT</version><!-- {x-version-update:grpc-google-iam-v2beta:current} -->
+      </dependency>
+    </dependencies>
+
+  </dependencyManagement>
+
+</project>
\ No newline at end of file
diff --git a/gapic-generator-java-pom-parent/pom.xml b/gapic-generator-java-pom-parent/pom.xml
new file mode 100644
index 0000000000..5a28edad79
--- /dev/null
+++ b/gapic-generator-java-pom-parent/pom.xml
@@ -0,0 +1,109 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" child.project.url.inherit.append.path="false">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.google.cloud</groupId>
+  <artifactId>gapic-generator-java-pom-parent</artifactId>
+  <version>2.12.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
+  <packaging>pom</packaging>
+  <name>GAPIC Generator Java POM Parent</name>
+  <url>https://github.com/googleapis/google-cloud-java</url>
+  <description>
+    The top-level parent for all modules in the repository.
+  </description>
+  <parent>
+    <groupId>com.google.cloud</groupId>
+    <artifactId>google-cloud-shared-config</artifactId>
+    <version>1.5.5</version>
+    <relativePath/>
+  </parent>
+
+  <properties>
+    <skipUnitTests>false</skipUnitTests>
+    <checkstyle.header.file>java.header</checkstyle.header.file>
+
+    <!-- External dependencies, expecially gRPC and Protobuf version, should be
+        consistent across modules in this repository -->
+    <javax.annotation-api.version>1.3.2</javax.annotation-api.version>
+    <grpc.version>1.51.1</grpc.version>
+    <guava.version>31.1-jre</guava.version>
+    <protobuf.version>3.21.10</protobuf.version>
+  </properties>
+
+  <developers>
+    <developer>
+      <id>suztomo</id>
+      <name>Tomo Suzuki</name>
+      <email>suztomo@google.com</email>
+      <organization>Google</organization>
+      <roles>
+        <role>Developer</role>
+      </roles>
+    </developer>
+  </developers>
+  <organization>
+    <name>Google LLC</name>
+  </organization>
+  <scm child.scm.connection.inherit.append.path="false"  child.scm.developerConnection.inherit.append.path="false"
+      child.scm.url.inherit.append.path="false">
+    <connection>scm:git:git@github.com:googleapis/google-cloud-java.git</connection>
+    <developerConnection>scm:git:git@github.com:googleapis/google-cloud-java.git</developerConnection>
+    <url>https://github.com/googleapis/google-cloud-java</url>
+    <tag>HEAD</tag>
+  </scm>
+  <issueManagement>
+    <url>https://github.com/googleapis/google-cloud-java/issues</url>
+    <system>GitHub Issues</system>
+  </issueManagement>
+
+  <licenses>
+    <license>
+      <name>Apache-2.0</name>
+      <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
+    </license>
+  </licenses>
+
+  <profiles>
+    <profile>
+      <!-- Only run checkstyle plugin on Java 11+ (checkstyle artifact only supports Java 11+) -->
+      <id>checkstyle-tests</id>
+      <activation>
+        <jdk>[11,)</jdk>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-checkstyle-plugin</artifactId>
+            <executions>
+              <execution>
+                <id>checkstyle</id>
+                <phase>validate</phase>
+                <goals>
+                  <goal>check</goal>
+                </goals>
+                <configuration>
+                  <headerLocation>${checkstyle.header.file}</headerLocation>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+  </profiles>
+
+  <repositories>
+    <repository>
+      <id>google-maven-central-copy</id>
+      <name>Google Maven Central copy</name>
+      <url>https://maven-central.storage-download.googleapis.com/maven2</url>
+    </repository>
+    <repository>
+      <id>maven-central</id>
+      <name>Maven Central</name>
+      <url>https://repo1.maven.org/maven2</url>
+    </repository>
+  </repositories>
+</project>
\ No newline at end of file
diff --git a/gapic-generator-java/pom.xml b/gapic-generator-java/pom.xml
index c5beba7381..3a3a929a89 100644
--- a/gapic-generator-java/pom.xml
+++ b/gapic-generator-java/pom.xml
@@ -13,9 +13,6 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <!-- Should be in sync with repositories.bzl -->
     <googleapis.commit>44d6bef0ca6db8bba3fb324c8186e694bcc4829c</googleapis.commit>
-    <gax.version>2.20.1</gax.version>
-    <grpc.version>1.51.1</grpc.version>
-    <protobuf.version>3.21.10</protobuf.version>
     <auto-value.version>1.10.1</auto-value.version>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
@@ -23,24 +20,17 @@
 
   <parent>
     <groupId>com.google.cloud</groupId>
-    <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.5.5</version>
-    <relativePath/>
+    <artifactId>gapic-generator-java-pom-parent</artifactId>
+    <version>2.12.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <relativePath>../gapic-generator-java-pom-parent</relativePath>
   </parent>
 
   <dependencyManagement>
     <dependencies>
       <dependency>
         <groupId>com.google.api</groupId>
-        <artifactId>gax-bom</artifactId>
-        <version>${gax.version}</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-      <dependency>
-        <groupId>io.grpc</groupId>
-        <artifactId>grpc-bom</artifactId>
-        <version>${grpc.version}</version>
+        <artifactId>gapic-generator-java-bom</artifactId>
+        <version>2.12.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -410,7 +400,6 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
-      <version>${protobuf.version}</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
@@ -448,7 +437,7 @@
     <dependency>
       <groupId>javax.annotation</groupId>
       <artifactId>javax.annotation-api</artifactId>
-      <version>1.3.2</version>
+      <version>${javax.annotation-api.version}</version>
     </dependency>
 
     <dependency>
diff --git a/gax-java/gax-bom/build.gradle b/gax-java/gax-bom/build.gradle
index 6dfd30ff59..8a9dcd7cf5 100644
--- a/gax-java/gax-bom/build.gradle
+++ b/gax-java/gax-bom/build.gradle
@@ -5,7 +5,7 @@ plugins {
 
 archivesBaseName = 'gax-bom'
 
-project.version = "2.20.1" // {x-version-update:gax-bom:current}
+project.version = "2.20.1" // {x-version-update:gax:current}
 
 def mavenJavaDir = "$buildDir/publications/mavenJava"
 def mavenJavaBomOutputFile = file(mavenJavaDir + '/pom-default.xml')
diff --git a/gax-java/gax-bom/pom.xml b/gax-java/gax-bom/pom.xml
index 1681cf4f9a..0af7a1e44b 100644
--- a/gax-java/gax-bom/pom.xml
+++ b/gax-java/gax-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api</groupId>
   <artifactId>gax-bom</artifactId>
-  <version>2.20.1</version><!-- {x-version-update:gax-bom:current} -->
+  <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   <packaging>pom</packaging>
   <name>GAX (Google Api eXtensions) for Java (BOM)</name>
   <description>Google Api eXtensions for Java (BOM)</description>
@@ -42,34 +42,34 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax</artifactId>
-        <version>2.20.1</version><!-- {x-version-update:gax:current} -->
+        <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax</artifactId>
-        <version>2.20.1</version><!-- {x-version-update:gax:current} -->
+        <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
         <classifier>testlib</classifier>
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-grpc</artifactId>
-        <version>2.20.1</version><!-- {x-version-update:gax-grpc:current} -->
+        <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax-grpc:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-grpc</artifactId>
-        <version>2.20.1</version><!-- {x-version-update:gax-grpc:current} -->
+        <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax-grpc:current} -->
         <classifier>testlib</classifier>
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-httpjson</artifactId>
-        <version>0.105.1</version><!-- {x-version-update:gax-httpjson:current} -->
+        <version>0.105.2-SNAPSHOT</version><!-- {x-version-update:gax-httpjson:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-httpjson</artifactId>
-        <version>0.105.1</version><!-- {x-version-update:gax-httpjson:current} -->
+        <version>0.105.2-SNAPSHOT</version><!-- {x-version-update:gax-httpjson:current} -->
         <classifier>testlib</classifier>
       </dependency>
     </dependencies>
diff --git a/gax-java/gax-grpc/pom.xml b/gax-java/gax-grpc/pom.xml
index ad7addccda..7f9e8dae30 100644
--- a/gax-java/gax-grpc/pom.xml
+++ b/gax-java/gax-grpc/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>gax-grpc</artifactId>
-  <version>2.20.1</version><!-- {x-version-update:gax-grpc:current} -->
+  <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax-grpc:current} -->
   <packaging>jar</packaging>
   <name>GAX (Google Api eXtensions) for Java (gRPC)</name>
   <description>Google Api eXtensions for Java (gRPC)</description>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gax-parent</artifactId>
-    <version>2.20.1</version><!-- {x-version-update:gax:current} -->
+    <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   </parent>
 
   <dependencies>
diff --git a/gax-java/gax-httpjson/pom.xml b/gax-java/gax-httpjson/pom.xml
index 32fcdc5f16..9e192cccae 100644
--- a/gax-java/gax-httpjson/pom.xml
+++ b/gax-java/gax-httpjson/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>gax-httpjson</artifactId>
-  <version>0.105.1</version> <!-- {x-version-update:gax-httpjson:current} -->
+  <version>0.105.2-SNAPSHOT</version> <!-- {x-version-update:gax-httpjson:current} -->
   <packaging>jar</packaging>
   <name>GAX (Google Api eXtensions) for Java (HTTP JSON)</name>
   <description>Google Api eXtensions for Java (HTTP JSON)</description>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gax-parent</artifactId>
-    <version>2.20.1</version><!-- {x-version-update:gax:current} -->
+    <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   </parent>
 
   <properties>
diff --git a/gax-java/gax/pom.xml b/gax-java/gax/pom.xml
index 09f587cb3d..793f459bd3 100644
--- a/gax-java/gax/pom.xml
+++ b/gax-java/gax/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>gax</artifactId>
-  <version>2.20.1</version><!-- {x-version-update:gax:current} -->
+  <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   <packaging>jar</packaging>
   <name>GAX (Google Api eXtensions) for Java (Core)</name>
   <description>Google Api eXtensions for Java (Core)</description>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.api</groupId>
     <artifactId>gax-parent</artifactId>
-    <version>2.20.1</version><!-- {x-version-update:gax:current} -->
+    <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   </parent>
 
   <dependencies>
diff --git a/gax-java/pom.xml b/gax-java/pom.xml
index 98b084d3e1..2ef6360785 100644
--- a/gax-java/pom.xml
+++ b/gax-java/pom.xml
@@ -4,16 +4,16 @@
   <groupId>com.google.api</groupId>
   <artifactId>gax-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.20.1</version><!-- {x-version-update:gax:current} -->
+  <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
   <name>GAX (Google Api eXtensions) for Java (Parent)</name>
   <url>https://github.com/googleapis/gax-java</url>
   <description>Google Api eXtensions for Java (Parent)</description>
 
   <parent>
     <groupId>com.google.cloud</groupId>
-    <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.5.5</version>
-    <relativePath/>
+    <artifactId>gapic-generator-java-pom-parent</artifactId>
+    <version>2.12.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <relativePath>../gapic-generator-java-pom-parent</relativePath>
   </parent>
 
   <developers>
@@ -57,7 +57,7 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>api-common</artifactId>
-        <version>2.2.2</version>
+        <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:api-common:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.auth</groupId>
@@ -124,24 +124,24 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax</artifactId>
-        <version>2.20.1</version> <!-- {x-version-update:gax:current} -->
+        <version>2.20.2-SNAPSHOT</version> <!-- {x-version-update:gax:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax</artifactId>
-        <version>2.20.1</version> <!-- {x-version-update:gax:current} -->
+        <version>2.20.2-SNAPSHOT</version> <!-- {x-version-update:gax:current} -->
         <type>test-jar</type>
         <classifier>testlib</classifier>
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-common-protos</artifactId>
-        <version>2.11.0</version>
+        <version>2.11.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-common-protos</artifactId>
-        <version>2.11.0</version>
+        <version>2.11.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-common-protos:current} -->
       </dependency>
       <dependency>
         <groupId>io.grpc</groupId>
@@ -170,7 +170,7 @@
       <dependency>
         <groupId>com.google.protobuf</groupId>
         <artifactId>protobuf-bom</artifactId>
-        <version>3.21.10</version>
+        <version>${protobuf.version}</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/java-common-protos/grpc-google-common-protos/pom.xml b/java-common-protos/grpc-google-common-protos/pom.xml
index e4c7249e95..4c53615c96 100644
--- a/java-common-protos/grpc-google-common-protos/pom.xml
+++ b/java-common-protos/grpc-google-common-protos/pom.xml
@@ -58,7 +58,7 @@
         <dependency>
           <groupId>javax.annotation</groupId>
           <artifactId>javax.annotation-api</artifactId>
-          <version>1.3.2</version>
+          <version>${javax.annotation-api.version}</version>
         </dependency>
       </dependencies>
     </profile>
diff --git a/java-common-protos/pom.xml b/java-common-protos/pom.xml
index c8c2149fcb..c846224ddc 100644
--- a/java-common-protos/pom.xml
+++ b/java-common-protos/pom.xml
@@ -13,9 +13,9 @@
 
   <parent>
     <groupId>com.google.cloud</groupId>
-    <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.5.4</version>
-    <relativePath/>
+    <artifactId>gapic-generator-java-pom-parent</artifactId>
+    <version>2.12.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <relativePath>../gapic-generator-java-pom-parent</relativePath>
   </parent>
 
   <developers>
@@ -64,9 +64,7 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <github.global.server>github</github.global.server>
     <site.installationModule>google-iam-parent</site.installationModule>
-    <protobuf.version>3.21.9</protobuf.version>
     <junit.version>4.13.2</junit.version>
-    <grpc.version>1.51.1</grpc.version>
     <guava.version>31.1-jre</guava.version>
   </properties>
 
@@ -104,7 +102,7 @@
       <dependency>
         <groupId>javax.annotation</groupId>
         <artifactId>javax.annotation-api</artifactId>
-        <version>1.3.2</version>
+        <version>${javax.annotation-api.version}</version>
       </dependency>
 
       <dependency>
diff --git a/java-iam/pom.xml b/java-iam/pom.xml
index 51e63248d1..4d12b4e449 100644
--- a/java-iam/pom.xml
+++ b/java-iam/pom.xml
@@ -13,9 +13,9 @@
 
   <parent>
     <groupId>com.google.cloud</groupId>
-    <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.5.5</version>
-    <relativePath/>
+    <artifactId>gapic-generator-java-pom-parent</artifactId>
+    <version>2.12.1-SNAPSHOT</version><!-- {x-version-update:gapic-generator-java:current} -->
+    <relativePath>../gapic-generator-java-pom-parent</relativePath>
   </parent>
 
   <developers>
@@ -68,20 +68,31 @@
 
   <dependencyManagement>
     <dependencies>
+      <dependency>
+        <groupId>com.google.guava</groupId>
+        <artifactId>guava-bom</artifactId>
+        <version>${guava.version}</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
       <dependency>
         <groupId>com.google.protobuf</groupId>
         <artifactId>protobuf-bom</artifactId>
-        <version>3.21.9</version>
+        <version>${protobuf.version}</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
       <dependency>
-        <!-- This should not depend on this, because the shared dependencies BOM
-          includes proto-google-iam-v1 from this repository. Avoid circular
-          dependencies -->
-        <groupId>com.google.cloud</groupId>
-        <artifactId>google-cloud-shared-dependencies</artifactId>
-        <version>3.0.6</version>
+        <groupId>io.grpc</groupId>
+        <artifactId>grpc-bom</artifactId>
+        <version>${grpc.version}</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+      <dependency>
+        <groupId>com.google.api</groupId>
+        <artifactId>gax-bom</artifactId>
+        <version>2.20.2-SNAPSHOT</version><!-- {x-version-update:gax:current} -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -100,6 +111,11 @@
         <artifactId>google-iam-policy</artifactId>
         <version>1.6.23-SNAPSHOT</version><!-- {x-version-update:google-iam-policy:current} -->
       </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc</groupId>
+        <artifactId>proto-google-common-protos</artifactId>
+        <version>2.11.1-SNAPSHOT</version><!-- {x-version-update:proto-google-common-protos:current} -->
+      </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v2beta</artifactId>
@@ -120,6 +136,11 @@
         <artifactId>proto-google-iam-v1</artifactId>
         <version>1.6.23-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
       </dependency>
+      <dependency>
+        <groupId>javax.annotation</groupId>
+        <artifactId>javax.annotation-api</artifactId>
+        <version>${javax.annotation-api.version}</version>
+      </dependency>
 
       <dependency>
         <groupId>junit</groupId>
diff --git a/pom.xml b/pom.xml
index 2bee8665f5..3950b69edc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,12 +14,13 @@
   </properties>
 
   <modules>
+    <module>gapic-generator-java-pom-parent</module>
     <module>api-common-java</module>
     <module>gax-java</module>
     <module>gapic-generator-java</module>
     <module>java-common-protos</module>
     <module>java-iam</module>
-    <!-- TODO: Add BOM -->
+    <module>gapic-generator-java-bom</module>
   </modules>
   <!-- Do not deploy the aggregator POM -->
   <build>
diff --git a/versions.txt b/versions.txt
index 34a9138050..b9064ef863 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,12 +1,11 @@
 # Format:
 # module:released-version:current-version
 
-api-common:2.3.1:2.3.1
 gapic-generator-java:2.12.0:2.12.1-SNAPSHOT
-gax:2.20.1:2.20.1
-gax-bom:2.20.1:2.20.1
-gax-grpc:2.20.1:2.20.1
-gax-httpjson:0.105.1:0.105.1
+api-common:2.3.1:2.3.2-SNAPSHOT
+gax:2.20.1:2.20.2-SNAPSHOT
+gax-grpc:2.20.1:2.20.2-SNAPSHOT
+gax-httpjson:0.105.1:0.105.2-SNAPSHOT
 proto-google-common-protos:2.11.0:2.11.1-SNAPSHOT
 grpc-google-common-protos:2.11.0:2.11.1-SNAPSHOT
 proto-google-iam-v1:1.6.22:1.6.23-SNAPSHOT