diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2f0776db..b555aa6ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [1.31.1](https://www.github.com/googleapis/google-api-java-client/compare/v1.31.0...v1.31.1) (2020-11-16)
+
+
+### Bug Fixes
+
+* socketfactory not registered for apache ([#1637](https://www.github.com/googleapis/google-api-java-client/issues/1637)) ([e886efa](https://www.github.com/googleapis/google-api-java-client/commit/e886efaa384bac106f2e5efcc3fb59901c251505))
+
 ## [1.31.0](https://www.github.com/googleapis/google-api-java-client/compare/v1.30.11...v1.31.0) (2020-11-10)
 
 
diff --git a/README.md b/README.md
index c648e2eb9..750e4c398 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ To use Maven, add the following lines to your pom.xml file:
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client</artifactId>
-        <version>1.31.0</version>
+        <version>1.31.1</version>
       </dependency>
     </dependencies>
   </project>
@@ -48,7 +48,7 @@ repositories {
     google()
 }
 dependencies {
-    compile 'com.google.api-client:google-api-client:1.31.0'
+    compile 'com.google.api-client:google-api-client:1.31.1'
 }
 ```
 [//]: # ({x-version-update-end})
diff --git a/google-api-client-android/pom.xml b/google-api-client-android/pom.xml
index c1d13dd73..7569dc0c5 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>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>1.31.1</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 4d57c94c8..6989b9379 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>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>1.31.1</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 f303839f0..7743928fb 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>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>1.31.1</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 b8c3bdd26..c01300ef4 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>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+  <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
   <packaging>pom</packaging>
 
   <name>Google API Client Library for Java BOM</name>
@@ -63,52 +63,52 @@
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client</artifactId>
-        <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-android</artifactId>
-        <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-appengine</artifactId>
-        <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-assembly</artifactId>
-        <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-gson</artifactId>
-        <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-jackson2</artifactId>
-        <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-java6</artifactId>
-        <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-protobuf</artifactId>
-        <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-servlet</artifactId>
-        <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api-client</groupId>
         <artifactId>google-api-client-xml</artifactId>
-        <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+        <version>1.31.1</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 c08028bbd..2e4e2da58 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>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>1.31.1</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 a298d700e..4246ff2a0 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>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>1.31.1</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-java6/pom.xml b/google-api-client-java6/pom.xml
index 9411e6e09..825d4943d 100644
--- a/google-api-client-java6/pom.xml
+++ b/google-api-client-java6/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.api-client</groupId>
     <artifactId>google-api-client-parent</artifactId>
-    <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-api-client-java6</artifactId>
diff --git a/google-api-client-protobuf/pom.xml b/google-api-client-protobuf/pom.xml
index 53ea3bf3c..6f39ae232 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>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>1.31.1</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 79ad723cb..02c01c584 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>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>1.31.1</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 000715957..26a513acc 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>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>1.31.1</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 af7af67e1..2d8bfc097 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>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+    <version>1.31.1</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 29bec0a2e..a2239a6e2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
   </parent>
   <groupId>com.google.api-client</groupId>
   <artifactId>google-api-client-parent</artifactId>
-  <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-api-client:current} -->
+  <version>1.31.1</version><!-- {x-version-update:google-api-client:current} -->
   <packaging>pom</packaging>
   <name>Parent for the Google API Client Library for Java</name>
 
diff --git a/versions.txt b/versions.txt
index 66101a9da..f7e88e380 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-api-client:1.31.0:1.31.1-SNAPSHOT
+google-api-client:1.31.1:1.31.1