diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca060d8d1..caa7abe5a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [2.3.1](https://github.com/googleapis/google-api-java-client/compare/v2.3.0...v2.3.1) (2024-03-13)
+
+
+### Bug Fixes
+
+* **deps:** Update dependency com.google.api-client:google-api-client to v2.3.0 ([#2427](https://github.com/googleapis/google-api-java-client/issues/2427)) ([a075e39](https://github.com/googleapis/google-api-java-client/commit/a075e3914e4ac1de97ee55f2942bf354dfa13fb5))
+* **deps:** Update dependency com.google.appengine:appengine-api-1.0-sdk to v2.0.25 ([#2438](https://github.com/googleapis/google-api-java-client/issues/2438)) ([830d021](https://github.com/googleapis/google-api-java-client/commit/830d021a7cf94178d5f9b1a2bc92228654ba5d6e))
+* **deps:** Update dependency com.google.cloud:libraries-bom to v26.34.0 ([#2425](https://github.com/googleapis/google-api-java-client/issues/2425)) ([94cd2a3](https://github.com/googleapis/google-api-java-client/commit/94cd2a370df2768dba3d3b902d29fa4f3badddfa))
+* **deps:** Update dependency com.google.guava:guava to v33 ([#2410](https://github.com/googleapis/google-api-java-client/issues/2410)) ([d6adc9b](https://github.com/googleapis/google-api-java-client/commit/d6adc9b64d3d4af688785b3739ab9cdedbc231a5))
+* **deps:** Update dependency commons-codec:commons-codec to v1.16.1 ([#2432](https://github.com/googleapis/google-api-java-client/issues/2432)) ([81bdcd1](https://github.com/googleapis/google-api-java-client/commit/81bdcd156f03c3bc25b81ceb60e74547b36ec759))
+
 ## [2.3.0](https://github.com/googleapis/google-api-java-client/compare/v2.2.0...v2.3.0) (2024-01-29)
 
 
diff --git a/google-api-client-android/pom.xml b/google-api-client-android/pom.xml
index 6a447a992..59e09ca1a 100644
--- a/google-api-client-android/pom.xml
+++ b/google-api-client-android/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.api-client</groupId>
     <artifactId>google-api-client-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-api-client-android</artifactId>
diff --git a/google-api-client-appengine/pom.xml b/google-api-client-appengine/pom.xml
index 7077b072a..02ccd6965 100644
--- a/google-api-client-appengine/pom.xml
+++ b/google-api-client-appengine/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.api-client</groupId>
     <artifactId>google-api-client-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-api-client-appengine</artifactId>
diff --git a/google-api-client-assembly/pom.xml b/google-api-client-assembly/pom.xml
index 9d2db89bd..06052c46e 100644
--- a/google-api-client-assembly/pom.xml
+++ b/google-api-client-assembly/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.api-client</groupId>
     <artifactId>google-api-client-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <groupId>com.google.api-client</groupId>
diff --git a/google-api-client-bom/pom.xml b/google-api-client-bom/pom.xml
index 435765c06..fc0fdaff3 100644
--- a/google-api-client-bom/pom.xml
+++ b/google-api-client-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api-client</groupId>
   <artifactId>google-api-client-bom</artifactId>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+  <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
   <packaging>pom</packaging>
 
   <name>Google API Client Library for Java BOM</name>
@@ -63,48 +63,48 @@
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-android</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-appengine</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-assembly</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
         <type>pom</type>
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-gson</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-jackson2</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-protobuf</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-servlet</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-xml</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-api-client-gson/pom.xml b/google-api-client-gson/pom.xml
index c92d20fde..df3c41174 100644
--- a/google-api-client-gson/pom.xml
+++ b/google-api-client-gson/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.api-client</groupId>
     <artifactId>google-api-client-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-api-client-gson</artifactId>
diff --git a/google-api-client-jackson2/pom.xml b/google-api-client-jackson2/pom.xml
index e9a517e29..5bcdc0756 100644
--- a/google-api-client-jackson2/pom.xml
+++ b/google-api-client-jackson2/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.api-client</groupId>
     <artifactId>google-api-client-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-api-client-jackson2</artifactId>
diff --git a/google-api-client-protobuf/pom.xml b/google-api-client-protobuf/pom.xml
index 8ee92da53..9acebffaa 100644
--- a/google-api-client-protobuf/pom.xml
+++ b/google-api-client-protobuf/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.api-client</groupId>
     <artifactId>google-api-client-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-api-client-protobuf</artifactId>
diff --git a/google-api-client-servlet/pom.xml b/google-api-client-servlet/pom.xml
index 19481c901..ca4d26e92 100644
--- a/google-api-client-servlet/pom.xml
+++ b/google-api-client-servlet/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.api-client</groupId>
     <artifactId>google-api-client-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-api-client-servlet</artifactId>
diff --git a/google-api-client-xml/pom.xml b/google-api-client-xml/pom.xml
index e7d23c441..6acf3ec89 100644
--- a/google-api-client-xml/pom.xml
+++ b/google-api-client-xml/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.api-client</groupId>
     <artifactId>google-api-client-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-api-client-xml</artifactId>
diff --git a/google-api-client/pom.xml b/google-api-client/pom.xml
index 9bd09e0cf..d7e4fbb4a 100644
--- a/google-api-client/pom.xml
+++ b/google-api-client/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.api-client</groupId>
     <artifactId>google-api-client-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-api-client</artifactId>
diff --git a/pom.xml b/pom.xml
index 8b36130f7..97835c3d0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api-client</groupId>
   <artifactId>google-api-client-parent</artifactId>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+  <version>2.3.1</version><!-- {x-version-update:google-api-client:current} -->
   <packaging>pom</packaging>
   <name>Parent for the Google API Client Library for Java</name>
   <description>The Google APIs Client Library for Java is a Java client library
@@ -242,7 +242,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-assembly-plugin</artifactId>
-          <version>3.7.0</version>
+          <version>3.6.0</version>
         </plugin>
         <plugin>
           <artifactId>maven-compiler-plugin</artifactId>
diff --git a/versions.txt b/versions.txt
index bc8a6be8e..73e7b6bc7 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-api-client:2.3.0:2.3.1-SNAPSHOT
+google-api-client:2.3.1:2.3.1