diff --git a/CHANGELOG.md b/CHANGELOG.md
index afa86055..dd5e244b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.40.0](https://github.com/googleapis/google-oauth-java-client/compare/v1.39.0...v1.40.0) (2025-06-02)
+
+
+### Dependencies
+
+* Maven-gpg-plugin 3.2.7 ([#1164](https://github.com/googleapis/google-oauth-java-client/issues/1164)) ([e771f81](https://github.com/googleapis/google-oauth-java-client/commit/e771f812900b03c37f50c2ec6376998a178ee8c3))
+
 ## [1.39.0](https://github.com/googleapis/google-oauth-java-client/compare/v1.38.0...v1.39.0) (2025-03-03)
 
 
diff --git a/google-oauth-client-appengine/pom.xml b/google-oauth-client-appengine/pom.xml
index cc9c9b78..76f2de42 100644
--- a/google-oauth-client-appengine/pom.xml
+++ b/google-oauth-client-appengine/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-oauth-client-appengine</artifactId>
diff --git a/google-oauth-client-assembly/pom.xml b/google-oauth-client-assembly/pom.xml
index 32eb7f17..0931c6ab 100644
--- a/google-oauth-client-assembly/pom.xml
+++ b/google-oauth-client-assembly/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <groupId>com.google.oauth-client</groupId>
diff --git a/google-oauth-client-bom/pom.xml b/google-oauth-client-bom/pom.xml
index 6c8e1ab3..9509f050 100644
--- a/google-oauth-client-bom/pom.xml
+++ b/google-oauth-client-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.oauth-client</groupId>
   <artifactId>google-oauth-client-bom</artifactId>
-  <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
   <packaging>pom</packaging>
 
   <name>Google OAuth Client Library for Java BOM</name>
@@ -63,27 +63,27 @@
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client</artifactId>
-        <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-appengine</artifactId>
-        <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-java6</artifactId>
-        <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-jetty</artifactId>
-        <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-servlet</artifactId>
-        <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-oauth-client-java6/pom.xml b/google-oauth-client-java6/pom.xml
index d2aa88db..51de0254 100644
--- a/google-oauth-client-java6/pom.xml
+++ b/google-oauth-client-java6/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-oauth-client-java6</artifactId>
diff --git a/google-oauth-client-jetty/pom.xml b/google-oauth-client-jetty/pom.xml
index b8328cf9..8b2f3bed 100644
--- a/google-oauth-client-jetty/pom.xml
+++ b/google-oauth-client-jetty/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-oauth-client-jetty</artifactId>
diff --git a/google-oauth-client-servlet/pom.xml b/google-oauth-client-servlet/pom.xml
index b22becf8..9733727b 100644
--- a/google-oauth-client-servlet/pom.xml
+++ b/google-oauth-client-servlet/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-oauth-client-servlet</artifactId>
diff --git a/google-oauth-client/pom.xml b/google-oauth-client/pom.xml
index 0871ac87..3c06205c 100644
--- a/google-oauth-client/pom.xml
+++ b/google-oauth-client/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-oauth-client</artifactId>
diff --git a/pom.xml b/pom.xml
index 07cea23b..5d940385 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
   <groupId>com.google.oauth-client</groupId>
   <artifactId>google-oauth-client-parent</artifactId>
-  <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
   <packaging>pom</packaging>
   <name>Parent for the Google OAuth Client Library for Java</name>
   <description>Google OAuth Client Library for Java</description>
diff --git a/samples/dailymotion-cmdline-sample/pom.xml b/samples/dailymotion-cmdline-sample/pom.xml
index cbaf03fc..6ea46d3a 100644
--- a/samples/dailymotion-cmdline-sample/pom.xml
+++ b/samples/dailymotion-cmdline-sample/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>dailymotion-simple-cmdline-sample</artifactId>
diff --git a/samples/keycloak-pkce-cmdline-sample/pom.xml b/samples/keycloak-pkce-cmdline-sample/pom.xml
index ba866216..03e95c74 100644
--- a/samples/keycloak-pkce-cmdline-sample/pom.xml
+++ b/samples/keycloak-pkce-cmdline-sample/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.oauth-client</groupId>
     <artifactId>google-oauth-client-parent</artifactId>
-    <version>1.40.0-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-oauth-client:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>keycloak-pkce-cmdline-sample</artifactId>
diff --git a/versions.txt b/versions.txt
index 53a73239..1cdddab6 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-oauth-client:1.39.0:1.40.0-SNAPSHOT
+google-oauth-client:1.40.0:1.40.0