diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d5e1dda..8610a551 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.3.1](https://github.com/googleapis/java-iot/compare/v2.3.0...v2.3.1) (2022-07-13)
+
+
+### Bug Fixes
+
+* enable longpaths support for windows test ([#1485](https://github.com/googleapis/java-iot/issues/1485)) ([#747](https://github.com/googleapis/java-iot/issues/747)) ([93a62e2](https://github.com/googleapis/java-iot/commit/93a62e289e62e9a94c018cf925b4884181380dab))
+
 ## [2.3.0](https://github.com/googleapis/java-iot/compare/v2.2.1...v2.3.0) (2022-07-01)
 
 
diff --git a/google-cloud-iot-bom/pom.xml b/google-cloud-iot-bom/pom.xml
index 6777a7f8..3acecf4d 100644
--- a/google-cloud-iot-bom/pom.xml
+++ b/google-cloud-iot-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-iot-bom</artifactId>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-iot:current} -->
+  <version>2.3.1</version><!-- {x-version-update:google-cloud-iot:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,17 +52,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-iot</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-iot:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-cloud-iot:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-iot-v1</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-iot-v1:current} -->
+        <version>2.3.1</version><!-- {x-version-update:grpc-google-cloud-iot-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-iot-v1</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-iot-v1:current} -->
+        <version>2.3.1</version><!-- {x-version-update:proto-google-cloud-iot-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-iot/pom.xml b/google-cloud-iot/pom.xml
index 5bd0cc55..0fa17cdd 100644
--- a/google-cloud-iot/pom.xml
+++ b/google-cloud-iot/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-iot</artifactId>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-iot:current} -->
+  <version>2.3.1</version><!-- {x-version-update:google-cloud-iot:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud IoT Core</name>
   <url>https://github.com/googleapis/java-iot</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-iot-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-iot:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-cloud-iot:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-iot</site.installationModule>
diff --git a/grpc-google-cloud-iot-v1/pom.xml b/grpc-google-cloud-iot-v1/pom.xml
index d9c7160c..48242a03 100644
--- a/grpc-google-cloud-iot-v1/pom.xml
+++ b/grpc-google-cloud-iot-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-iot-v1</artifactId>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-iot-v1:current} -->
+  <version>2.3.1</version><!-- {x-version-update:grpc-google-cloud-iot-v1:current} -->
   <name>grpc-google-cloud-iot-v1</name>
   <description>GRPC library for grpc-google-cloud-iot-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-iot-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-iot:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-cloud-iot:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index edd1c3be..e5bea9be 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-iot-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-iot:current} -->
+  <version>2.3.1</version><!-- {x-version-update:google-cloud-iot:current} -->
   <name>Google Cloud IoT Core Parent</name>
   <url>https://github.com/googleapis/java-iot</url>
   <description>
@@ -61,17 +61,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-iot-v1</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-iot-v1:current} -->
+        <version>2.3.1</version><!-- {x-version-update:proto-google-cloud-iot-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-iot-v1</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-iot-v1:current} -->
+        <version>2.3.1</version><!-- {x-version-update:grpc-google-cloud-iot-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-iot</artifactId>
-        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-iot:current} -->
+        <version>2.3.1</version><!-- {x-version-update:google-cloud-iot:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-iot-v1/pom.xml b/proto-google-cloud-iot-v1/pom.xml
index 93f10c89..c31b1050 100644
--- a/proto-google-cloud-iot-v1/pom.xml
+++ b/proto-google-cloud-iot-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-iot-v1</artifactId>
-  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-iot-v1:current} -->
+  <version>2.3.1</version><!-- {x-version-update:proto-google-cloud-iot-v1:current} -->
   <name>proto-google-cloud-iot-v1</name>
   <description>PROTO library for proto-google-cloud-iot-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-iot-parent</artifactId>
-    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-iot:current} -->
+    <version>2.3.1</version><!-- {x-version-update:google-cloud-iot:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index dc038841..62c38c4e 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-iot:2.3.0:2.3.1-SNAPSHOT
-grpc-google-cloud-iot-v1:2.3.0:2.3.1-SNAPSHOT
-proto-google-cloud-iot-v1:2.3.0:2.3.1-SNAPSHOT
+google-cloud-iot:2.3.1:2.3.1
+grpc-google-cloud-iot-v1:2.3.1:2.3.1
+proto-google-cloud-iot-v1:2.3.1:2.3.1