diff --git a/CHANGELOG.md b/CHANGELOG.md
index 421d73fab..2ca949dba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+### [1.31.5](https://www.github.com/googleapis/google-oauth-java-client/compare/v1.31.4...v1.31.5) (2021-04-09)
+
+
+### Bug Fixes
+
+* don't swallow exceptions in LocalServerReceiver ([#595](https://www.github.com/googleapis/google-oauth-java-client/issues/595)) ([f39faec](https://www.github.com/googleapis/google-oauth-java-client/commit/f39faec9980fa65602a216fbf34555b744139443))
+* oauth1 signing for url encoded content ([#538](https://www.github.com/googleapis/google-oauth-java-client/issues/538)) ([d9507e4](https://www.github.com/googleapis/google-oauth-java-client/commit/d9507e4c367cc870b811e28e3b206ef4661c67d8))
+* remove Jackson from assembly ([#605](https://www.github.com/googleapis/google-oauth-java-client/issues/605)) ([a482000](https://www.github.com/googleapis/google-oauth-java-client/commit/a482000eddf3c056f57492487c4a2f1e2f81feeb))
+* switch to GSON per security team advice ([#586](https://www.github.com/googleapis/google-oauth-java-client/issues/586)) ([58a1828](https://www.github.com/googleapis/google-oauth-java-client/commit/58a1828e8e291c59494893b2632c294dffe98b23))
+
+
+### Dependencies
+
+* update appengine packages to v1.9.84 ([#577](https://www.github.com/googleapis/google-oauth-java-client/issues/577)) ([3fbd4d5](https://www.github.com/googleapis/google-oauth-java-client/commit/3fbd4d5205215447969adb7fa93a46f309eed4a5))
+
 ### [1.31.4](https://www.github.com/googleapis/google-oauth-java-client/compare/v1.31.3...v1.31.4) (2021-01-05)
 
 
diff --git a/google-oauth-client-appengine/pom.xml b/google-oauth-client-appengine/pom.xml
index 38ff7f514..621c66e08 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>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.31.5</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 c5112cc24..112170e00 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>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.31.5</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 870189ac2..4356b2e9f 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>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+  <version>1.31.5</version><!-- {x-version-update:google-oauth-client:current} -->
   <packaging>pom</packaging>
 
   <name>Google OAuth Client Library for Java BOM</name>
@@ -63,32 +63,32 @@
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client</artifactId>
-        <version>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.31.5</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-appengine</artifactId>
-        <version>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.31.5</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-assembly</artifactId>
-        <version>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.31.5</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-java6</artifactId>
-        <version>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.31.5</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-jetty</artifactId>
-        <version>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.31.5</version><!-- {x-version-update:google-oauth-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.oauth-client</groupId>
         <artifactId>google-oauth-client-servlet</artifactId>
-        <version>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+        <version>1.31.5</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 72375c561..d222f0144 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>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.31.5</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 5acdfa8de..465dabbbf 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>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.31.5</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 4111f5b8c..d02b977f3 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>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.31.5</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 42caa828a..d80b08fea 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>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.31.5</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 fe9a4c0aa..625538299 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
   <groupId>com.google.oauth-client</groupId>
   <artifactId>google-oauth-client-parent</artifactId>
-  <version>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+  <version>1.31.5</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 ae8910241..0ea8f6b7f 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>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.31.5</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 d3091e2fb..8df074600 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>1.31.5-SNAPSHOT</version><!-- {x-version-update:google-oauth-client:current} -->
+    <version>1.31.5</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 43980e06a..116a6dd22 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-oauth-client:1.31.4:1.31.5-SNAPSHOT
+google-oauth-client:1.31.5:1.31.5