diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c2ce18e1..4c8039c85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.125.5](https://github.com/googleapis/java-pubsub/compare/v1.125.4...v1.125.5) (2023-09-28)
+
+
+### Dependencies
+
+* Update gapic-generator-java to 2.26.0 ([935849c](https://github.com/googleapis/java-pubsub/commit/935849cedbb70a0821be56828dd0abeccbccc21c))
+
 ## [1.125.4](https://github.com/googleapis/java-pubsub/compare/v1.125.3...v1.125.4) (2023-09-28)
 
 
diff --git a/README.md b/README.md
index fdb3f1fb0..e1ef04d75 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file:
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>libraries-bom</artifactId>
-      <version>26.23.0</version>
+      <version>26.24.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -52,20 +52,20 @@ If you are using Maven without the BOM, add this to your dependencies:
 If you are using Gradle 5.x or later, add this to your dependencies:
 
 ```Groovy
-implementation platform('com.google.cloud:libraries-bom:26.23.0')
+implementation platform('com.google.cloud:libraries-bom:26.24.0')
 
 implementation 'com.google.cloud:google-cloud-pubsub'
 ```
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-pubsub:1.125.4'
+implementation 'com.google.cloud:google-cloud-pubsub:1.125.5'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-pubsub" % "1.125.4"
+libraryDependencies += "com.google.cloud" % "google-cloud-pubsub" % "1.125.5"
 ```
 <!-- {x-version-update-end} -->
 
@@ -408,7 +408,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-pubsub/java11.html
 [stability-image]: https://img.shields.io/badge/stability-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-pubsub.svg
-[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-pubsub/1.125.4
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-pubsub/1.125.5
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication
 [auth-scopes]: https://developers.google.com/identity/protocols/oauth2/scopes
 [predefined-iam-roles]: https://cloud.google.com/iam/docs/understanding-roles#predefined_roles
diff --git a/google-cloud-pubsub-bom/pom.xml b/google-cloud-pubsub-bom/pom.xml
index 8c3e893d6..2fe25afc4 100644
--- a/google-cloud-pubsub-bom/pom.xml
+++ b/google-cloud-pubsub-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-pubsub-bom</artifactId>
-  <version>1.125.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
+  <version>1.125.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,17 +52,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-pubsub</artifactId>
-        <version>1.125.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
+        <version>1.125.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-pubsub-v1</artifactId>
-        <version>1.107.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-pubsub-v1:current} -->
+        <version>1.107.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-pubsub-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-pubsub-v1</artifactId>
-        <version>1.107.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-pubsub-v1:current} -->
+        <version>1.107.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-pubsub-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-pubsub/EnableAutoValue.txt b/google-cloud-pubsub/EnableAutoValue.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/google-cloud-pubsub/pom.xml b/google-cloud-pubsub/pom.xml
index b051db8b6..e6b7e40b8 100644
--- a/google-cloud-pubsub/pom.xml
+++ b/google-cloud-pubsub/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-pubsub</artifactId>
-  <version>1.125.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
+  <version>1.125.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Pub/Sub</name>
   <url>https://github.com/googleapis/java-pubsub</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-pubsub-parent</artifactId>
-    <version>1.125.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
+    <version>1.125.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-pubsub</site.installationModule>
@@ -180,24 +180,6 @@
       </plugins>
     </pluginManagement>
     <plugins>
-      <plugin>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.11.0</version>
-        <configuration>
-          <source>1.8</source>
-          <target>1.8</target>
-          <encoding>UTF-8</encoding>
-          <compilerArgument>-Xlint:unchecked</compilerArgument>
-          <annotationProcessorPaths>
-            <path>
-              <groupId>com.google.auto.value</groupId>
-              <artifactId>auto-value</artifactId>
-              <version>${auto-value-annotation.version}</version>
-            </path>
-          </annotationProcessorPaths>
-        </configuration>
-      </plugin>
-
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>flatten-maven-plugin</artifactId>
diff --git a/grpc-google-cloud-pubsub-v1/pom.xml b/grpc-google-cloud-pubsub-v1/pom.xml
index c4f6f48fe..4b53af897 100644
--- a/grpc-google-cloud-pubsub-v1/pom.xml
+++ b/grpc-google-cloud-pubsub-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-pubsub-v1</artifactId>
-  <version>1.107.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-pubsub-v1:current} -->
+  <version>1.107.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-pubsub-v1:current} -->
   <name>grpc-google-cloud-pubsub-v1</name>
   <description>GRPC library for grpc-google-cloud-pubsub-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-pubsub-parent</artifactId>
-    <version>1.125.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
+    <version>1.125.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index fdbfb0d02..4e7ba6eaf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-pubsub-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.125.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
+  <version>1.125.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
   <name>Google Cloud Pub/Sub Parent</name>
   <url>https://github.com/googleapis/java-pubsub</url>
   <description>
@@ -69,17 +69,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-pubsub-v1</artifactId>
-        <version>1.107.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-pubsub-v1:current} -->
+        <version>1.107.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-pubsub-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-pubsub-v1</artifactId>
-        <version>1.107.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-pubsub-v1:current} -->
+        <version>1.107.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-pubsub-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-pubsub</artifactId>
-        <version>1.125.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
+        <version>1.125.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
       </dependency>
 
       <!-- Test dependencies -->
@@ -172,7 +172,6 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>3.6.0</version>
         <reportSets>
           <reportSet>
             <id>html</id>
diff --git a/proto-google-cloud-pubsub-v1/pom.xml b/proto-google-cloud-pubsub-v1/pom.xml
index 34028fc54..440a55b50 100644
--- a/proto-google-cloud-pubsub-v1/pom.xml
+++ b/proto-google-cloud-pubsub-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-pubsub-v1</artifactId>
-  <version>1.107.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-pubsub-v1:current} -->
+  <version>1.107.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-pubsub-v1:current} -->
   <name>proto-google-cloud-pubsub-v1</name>
   <description>PROTO library for proto-google-cloud-pubsub-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-pubsub-parent</artifactId>
-    <version>1.125.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
+    <version>1.125.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsub:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/native-image-sample/pom.xml b/samples/native-image-sample/pom.xml
index 44a971a58..cf7da4eff 100644
--- a/samples/native-image-sample/pom.xml
+++ b/samples/native-image-sample/pom.xml
@@ -30,7 +30,7 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>26.23.0</version>
+        <version>26.24.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index b0f8d4abc..47dfe89ff 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -43,7 +43,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsub</artifactId>
-      <version>1.125.5-SNAPSHOT</version>
+      <version>1.125.6-SNAPSHOT</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 4b74c8bb1..8404144ac 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -45,7 +45,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>26.23.0</version>
+        <version>26.24.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/versions.txt b/versions.txt
index 8ac5380ae..3d8d3910f 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-pubsub:1.125.4:1.125.5-SNAPSHOT
-grpc-google-cloud-pubsub-v1:1.107.4:1.107.5-SNAPSHOT
-proto-google-cloud-pubsub-v1:1.107.4:1.107.5-SNAPSHOT
+google-cloud-pubsub:1.125.5:1.125.6-SNAPSHOT
+grpc-google-cloud-pubsub-v1:1.107.5:1.107.6-SNAPSHOT
+proto-google-cloud-pubsub-v1:1.107.5:1.107.6-SNAPSHOT