diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9f8a5284..49ffd73cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # Changelog
 
+### [1.39.1](https://www.github.com/googleapis/google-http-java-client/compare/v1.39.0...v1.39.1) (2021-03-11)
+
+
+### Bug Fixes
+
+* default application/json charset to utf-8 ([#1305](https://www.github.com/googleapis/google-http-java-client/issues/1305)) ([c4dfb48](https://www.github.com/googleapis/google-http-java-client/commit/c4dfb48cb8248564b19efdf1a4272eb6fafe3138)), closes [#1102](https://www.github.com/googleapis/google-http-java-client/issues/1102)
+
+
+### Documentation
+
+* 19.0.0 libraries-bom ([#1312](https://www.github.com/googleapis/google-http-java-client/issues/1312)) ([62be21b](https://www.github.com/googleapis/google-http-java-client/commit/62be21b84a5394455d828b0f97f9e53352b8aa18))
+* update version ([#1296](https://www.github.com/googleapis/google-http-java-client/issues/1296)) ([f17755c](https://www.github.com/googleapis/google-http-java-client/commit/f17755cf5e8ccbf441131ebb13fe60028fb63850))
+
+
+### Dependencies
+
+* update dependency com.fasterxml.jackson.core:jackson-core to v2.12.2 ([#1309](https://www.github.com/googleapis/google-http-java-client/issues/1309)) ([aa7d703](https://www.github.com/googleapis/google-http-java-client/commit/aa7d703d94e5e34d849bc753cfe8bd332ff80443))
+* update dependency com.google.protobuf:protobuf-java to v3.15.3 ([#1301](https://www.github.com/googleapis/google-http-java-client/issues/1301)) ([1db338b](https://www.github.com/googleapis/google-http-java-client/commit/1db338b8b98465e03e93013b40fd8d821ac245c8))
+
 ## [1.39.0](https://www.github.com/googleapis/google-http-java-client/compare/v1.38.1...v1.39.0) (2021-02-24)
 
 
diff --git a/google-http-client-android-test/pom.xml b/google-http-client-android-test/pom.xml
index ca6321e01..c1162613e 100644
--- a/google-http-client-android-test/pom.xml
+++ b/google-http-client-android-test/pom.xml
@@ -4,7 +4,7 @@
   <groupId>google-http-client</groupId>
   <artifactId>google-http-client-android-test</artifactId>
   <name>Test project for google-http-client-android.</name>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android-test:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-android-test:current} -->
   <packaging>apk</packaging>
 
   <build>
@@ -53,7 +53,7 @@
     <dependency>
       <groupId>com.google.http-client</groupId>
       <artifactId>google-http-client-android</artifactId>
-      <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+      <version>1.39.1</version><!-- {x-version-update:google-http-client-android:current} -->
       <exclusions>
         <exclusion>
           <artifactId>android</artifactId>
@@ -72,7 +72,7 @@
     <dependency>
       <groupId>com.google.http-client</groupId>
       <artifactId>google-http-client-test</artifactId>
-      <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+      <version>1.39.1</version><!-- {x-version-update:google-http-client-test:current} -->
       <exclusions>
         <exclusion>
           <artifactId>junit</artifactId>
diff --git a/google-http-client-android/pom.xml b/google-http-client-android/pom.xml
index d89335475..3e003c63e 100644
--- a/google-http-client-android/pom.xml
+++ b/google-http-client-android/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-android</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-android:current} -->
   <name>Android Platform Extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-apache-v2/pom.xml b/google-http-client-apache-v2/pom.xml
index 30ff5994b..7e75be0ce 100644
--- a/google-http-client-apache-v2/pom.xml
+++ b/google-http-client-apache-v2/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-apache-v2</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
   <name>Apache HTTP transport v2 for the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-appengine/pom.xml b/google-http-client-appengine/pom.xml
index f67b3f83e..371f5d106 100644
--- a/google-http-client-appengine/pom.xml
+++ b/google-http-client-appengine/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-appengine</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-appengine:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-appengine:current} -->
   <name>Google App Engine extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-assembly/pom.xml b/google-http-client-assembly/pom.xml
index 389510f5f..f7b24ee93 100644
--- a/google-http-client-assembly/pom.xml
+++ b/google-http-client-assembly/pom.xml
@@ -4,12 +4,12 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <groupId>com.google.http-client</groupId>
   <artifactId>google-http-client-assembly</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-assembly:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-assembly:current} -->
   <packaging>pom</packaging>
   <name>Assembly for the Google HTTP Client Library for Java</name>
 
diff --git a/google-http-client-bom/pom.xml b/google-http-client-bom/pom.xml
index a58d59ffc..8617604d0 100644
--- a/google-http-client-bom/pom.xml
+++ b/google-http-client-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.http-client</groupId>
   <artifactId>google-http-client-bom</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-bom:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-bom:current} -->
   <packaging>pom</packaging>
 
   <name>Google HTTP Client Library for Java BOM</name>
@@ -63,52 +63,52 @@
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client</artifactId>
-        <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client:current} -->
+        <version>1.39.1</version><!-- {x-version-update:google-http-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-android</artifactId>
-        <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+        <version>1.39.1</version><!-- {x-version-update:google-http-client-android:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-apache-v2</artifactId>
-        <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
+        <version>1.39.1</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-appengine</artifactId>
-        <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-appengine:current} -->
+        <version>1.39.1</version><!-- {x-version-update:google-http-client-appengine:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-findbugs</artifactId>
-        <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-findbugs:current} -->
+        <version>1.39.1</version><!-- {x-version-update:google-http-client-findbugs:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-gson</artifactId>
-        <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-gson:current} -->
+        <version>1.39.1</version><!-- {x-version-update:google-http-client-gson:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-jackson2</artifactId>
-        <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-jackson2:current} -->
+        <version>1.39.1</version><!-- {x-version-update:google-http-client-jackson2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-protobuf</artifactId>
-        <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-protobuf:current} -->
+        <version>1.39.1</version><!-- {x-version-update:google-http-client-protobuf:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-test</artifactId>
-        <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+        <version>1.39.1</version><!-- {x-version-update:google-http-client-test:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-xml</artifactId>
-        <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-xml:current} -->
+        <version>1.39.1</version><!-- {x-version-update:google-http-client-xml:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-http-client-findbugs/pom.xml b/google-http-client-findbugs/pom.xml
index cb1411400..9c8297c48 100644
--- a/google-http-client-findbugs/pom.xml
+++ b/google-http-client-findbugs/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-findbugs</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-findbugs:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-findbugs:current} -->
   <name>Google APIs Client Library Findbugs custom plugin.</name>
 
   <build>
diff --git a/google-http-client-gson/pom.xml b/google-http-client-gson/pom.xml
index 689d3280a..83bd815e9 100644
--- a/google-http-client-gson/pom.xml
+++ b/google-http-client-gson/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-gson</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-gson:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-gson:current} -->
   <name>GSON extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-jackson2/pom.xml b/google-http-client-jackson2/pom.xml
index d05b37a4e..e9875b2c2 100644
--- a/google-http-client-jackson2/pom.xml
+++ b/google-http-client-jackson2/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-jackson2</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-jackson2:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-jackson2:current} -->
   <name>Jackson 2 extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-protobuf/pom.xml b/google-http-client-protobuf/pom.xml
index eda9b0f07..61ad9768b 100644
--- a/google-http-client-protobuf/pom.xml
+++ b/google-http-client-protobuf/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-protobuf</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-protobuf:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-protobuf:current} -->
   <name>Protocol Buffer extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-test/pom.xml b/google-http-client-test/pom.xml
index 84229c742..81a6f95d6 100644
--- a/google-http-client-test/pom.xml
+++ b/google-http-client-test/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-test</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-test:current} -->
   <name>Shared classes used for testing of artifacts in the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-xml/pom.xml b/google-http-client-xml/pom.xml
index 37348babb..cf8da5cae 100644
--- a/google-http-client-xml/pom.xml
+++ b/google-http-client-xml/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-xml</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-xml:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-xml:current} -->
   <name>XML extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client/pom.xml b/google-http-client/pom.xml
index cd3a8b58c..3323000a4 100644
--- a/google-http-client/pom.xml
+++ b/google-http-client/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client:current} -->
   <name>Google HTTP Client Library for Java</name>
   <description>
     Google HTTP Client Library for Java. Functionality that works on all supported Java platforms,
diff --git a/pom.xml b/pom.xml
index f0de72e82..a132f132b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.http-client</groupId>
   <artifactId>google-http-client-parent</artifactId>
-  <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+  <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
   <packaging>pom</packaging>
   <name>Parent for the Google HTTP Client Library for Java</name>
   <description>Google HTTP Client Library for Java</description>
@@ -577,7 +577,7 @@
       - google-api-java-client/google-api-client-assembly/android-properties (make the filenames match the version here)
       - Internally, update the default features.json file
     -->
-    <project.http-client.version>1.39.1-SNAPSHOT</project.http-client.version><!-- {x-version-update:google-http-client-parent:current} -->
+    <project.http-client.version>1.39.1</project.http-client.version><!-- {x-version-update:google-http-client-parent:current} -->
     <project.appengine.version>1.9.71</project.appengine.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.jsr305.version>3.0.2</project.jsr305.version>
diff --git a/samples/dailymotion-simple-cmdline-sample/pom.xml b/samples/dailymotion-simple-cmdline-sample/pom.xml
index 52fae4a05..c28e9ba0c 100644
--- a/samples/dailymotion-simple-cmdline-sample/pom.xml
+++ b/samples/dailymotion-simple-cmdline-sample/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.39.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.39.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>dailymotion-simple-cmdline-sample</artifactId>
diff --git a/versions.txt b/versions.txt
index b20088fef..2d60c2627 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,17 +1,17 @@
 # Format:
 # module:released-version:current-version
 
-google-http-client:1.39.0:1.39.1-SNAPSHOT
-google-http-client-bom:1.39.0:1.39.1-SNAPSHOT
-google-http-client-parent:1.39.0:1.39.1-SNAPSHOT
-google-http-client-android:1.39.0:1.39.1-SNAPSHOT
-google-http-client-android-test:1.39.0:1.39.1-SNAPSHOT
-google-http-client-apache-v2:1.39.0:1.39.1-SNAPSHOT
-google-http-client-appengine:1.39.0:1.39.1-SNAPSHOT
-google-http-client-assembly:1.39.0:1.39.1-SNAPSHOT
-google-http-client-findbugs:1.39.0:1.39.1-SNAPSHOT
-google-http-client-gson:1.39.0:1.39.1-SNAPSHOT
-google-http-client-jackson2:1.39.0:1.39.1-SNAPSHOT
-google-http-client-protobuf:1.39.0:1.39.1-SNAPSHOT
-google-http-client-test:1.39.0:1.39.1-SNAPSHOT
-google-http-client-xml:1.39.0:1.39.1-SNAPSHOT
+google-http-client:1.39.1:1.39.1
+google-http-client-bom:1.39.1:1.39.1
+google-http-client-parent:1.39.1:1.39.1
+google-http-client-android:1.39.1:1.39.1
+google-http-client-android-test:1.39.1:1.39.1
+google-http-client-apache-v2:1.39.1:1.39.1
+google-http-client-appengine:1.39.1:1.39.1
+google-http-client-assembly:1.39.1:1.39.1
+google-http-client-findbugs:1.39.1:1.39.1
+google-http-client-gson:1.39.1:1.39.1
+google-http-client-jackson2:1.39.1:1.39.1
+google-http-client-protobuf:1.39.1:1.39.1
+google-http-client-test:1.39.1:1.39.1
+google-http-client-xml:1.39.1:1.39.1