diff --git a/CHANGELOG.md b/CHANGELOG.md
index bca8b4ab74..0feccc3c48 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [2.3.1](https://www.github.com/googleapis/java-core/compare/v2.3.0...v2.3.1) (2021-11-15)
+
+
+### Dependencies
+
+* update dependency io.grpc:grpc-bom to v1.42.1 ([#629](https://www.github.com/googleapis/java-core/issues/629)) ([85fcd99](https://www.github.com/googleapis/java-core/commit/85fcd99237d7526b1b373d07204c4114c49b08b8))
+
 ## [2.3.0](https://www.github.com/googleapis/java-core/compare/v2.2.0...v2.3.0) (2021-11-11)
 
 
diff --git a/google-cloud-core-bom/pom.xml b/google-cloud-core-bom/pom.xml
index 2cd319d4a0..1d9e757d86 100644
--- a/google-cloud-core-bom/pom.xml
+++ b/google-cloud-core-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-bom</artifactId>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -63,17 +63,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core-grpc</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core-http</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-core-grpc/pom.xml b/google-cloud-core-grpc/pom.xml
index 6692eb119b..82ca8f0850 100644
--- a/google-cloud-core-grpc/pom.xml
+++ b/google-cloud-core-grpc/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-grpc</artifactId>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Core gRPC</name>
   <url>https://github.com/googleapis/java-core</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-core-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-core-grpc</site.installationModule>
diff --git a/google-cloud-core-http/pom.xml b/google-cloud-core-http/pom.xml
index ef3005ab16..3188e4c71d 100644
--- a/google-cloud-core-http/pom.xml
+++ b/google-cloud-core-http/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-http</artifactId>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Core HTTP</name>
   <url>https://github.com/googleapis/java-core</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-core-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-core-http</site.installationModule>
diff --git a/google-cloud-core/pom.xml b/google-cloud-core/pom.xml
index 364679a2fd..8853ba7012 100644
--- a/google-cloud-core/pom.xml
+++ b/google-cloud-core/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core</artifactId>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Core</name>
   <url>https://github.com/googleapis/java-core</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-core-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-core</site.installationModule>
diff --git a/pom.xml b/pom.xml
index 18e65aeaf6..236f41d927 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.3.1</version><!-- {x-version-update:google-cloud-core:current} -->
   <name>Google Cloud Core Parent</name>
   <url>https://github.com/googleapis/java-core</url>
   <description>
diff --git a/versions.txt b/versions.txt
index 643e408049..3dd6e1baf0 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-core:2.3.0:2.3.1-SNAPSHOT
\ No newline at end of file
+google-cloud-core:2.3.1:2.3.1
\ No newline at end of file