diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3402d817..62757901a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # Changelog
 
+### [1.38.1](https://www.github.com/googleapis/google-http-java-client/compare/v1.38.0...v1.38.1) (2021-01-12)
+
+
+### Bug Fixes
+
+* address some deprecation warnings in Java 9+ ([#1215](https://www.github.com/googleapis/google-http-java-client/issues/1215)) ([9f53a67](https://www.github.com/googleapis/google-http-java-client/commit/9f53a6788e20bbded1b5937a5e8fe19ace31beaa))
+* deprecate JacksonFactory in favor of GsonFactory to align with security team advice ([#1216](https://www.github.com/googleapis/google-http-java-client/issues/1216)) ([6b9b6c5](https://www.github.com/googleapis/google-http-java-client/commit/6b9b6c57734c4917394d0e256e745d69b61b5517))
+* JSON spec mandates UTF-8 ([#1220](https://www.github.com/googleapis/google-http-java-client/issues/1220)) ([adb2ea4](https://www.github.com/googleapis/google-http-java-client/commit/adb2ea41c4eee61174ec6e588dec576fc53169f6))
+
+
+### Documentation
+
+* BOM 15.0.0 ([#1177](https://www.github.com/googleapis/google-http-java-client/issues/1177)) ([125a697](https://www.github.com/googleapis/google-http-java-client/commit/125a697c5cb5535894e46fd59e73663c50f3a6fa))
+
+
+### Dependencies
+
+* update guava to 30.1-android ([#1199](https://www.github.com/googleapis/google-http-java-client/issues/1199)) ([7922dc0](https://www.github.com/googleapis/google-http-java-client/commit/7922dc0517bd82669a18b81af38e5ba211bc2e0b))
+
 ## [1.38.0](https://www.github.com/googleapis/google-http-java-client/compare/v1.37.0...v1.38.0) (2020-11-02)
 
 
diff --git a/google-http-client-android-test/pom.xml b/google-http-client-android-test/pom.xml
index daa9924e2..b3ac37cb2 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android-test:current} -->
+  <version>1.38.1</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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+      <version>1.38.1</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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+      <version>1.38.1</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 3a4da0f53..24ffa7df3 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-android</artifactId>
-  <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+  <version>1.38.1</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 d114c77c4..9449ab9a1 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-apache-v2</artifactId>
-  <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
+  <version>1.38.1</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 a8bb8213b..8b765d995 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-appengine</artifactId>
-  <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-appengine:current} -->
+  <version>1.38.1</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 64f1a43f4..6f651b71f 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-assembly:current} -->
+  <version>1.38.1</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 6d20aec27..fb6806f35 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-bom:current} -->
+  <version>1.38.1</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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client:current} -->
+        <version>1.38.1</version><!-- {x-version-update:google-http-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-android</artifactId>
-        <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+        <version>1.38.1</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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
+        <version>1.38.1</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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-appengine:current} -->
+        <version>1.38.1</version><!-- {x-version-update:google-http-client-appengine:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-findbugs</artifactId>
-        <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-findbugs:current} -->
+        <version>1.38.1</version><!-- {x-version-update:google-http-client-findbugs:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-gson</artifactId>
-        <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-gson:current} -->
+        <version>1.38.1</version><!-- {x-version-update:google-http-client-gson:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-jackson2</artifactId>
-        <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-jackson2:current} -->
+        <version>1.38.1</version><!-- {x-version-update:google-http-client-jackson2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-protobuf</artifactId>
-        <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-protobuf:current} -->
+        <version>1.38.1</version><!-- {x-version-update:google-http-client-protobuf:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-test</artifactId>
-        <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+        <version>1.38.1</version><!-- {x-version-update:google-http-client-test:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-xml</artifactId>
-        <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-xml:current} -->
+        <version>1.38.1</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 d9a203883..e3781775f 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-findbugs</artifactId>
-  <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-findbugs:current} -->
+  <version>1.38.1</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 0715b5e5d..4528ef2a8 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-gson</artifactId>
-  <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-gson:current} -->
+  <version>1.38.1</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 d9f55292b..95bfac0c7 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-jackson2</artifactId>
-  <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-jackson2:current} -->
+  <version>1.38.1</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 6b784c3ce..0b4943878 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-protobuf</artifactId>
-  <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-protobuf:current} -->
+  <version>1.38.1</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 6e0d68c1e..814bda2a6 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-test</artifactId>
-  <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+  <version>1.38.1</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 fb5a1b96c..3b89d2b9a 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-xml</artifactId>
-  <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-xml:current} -->
+  <version>1.38.1</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 687c8c780..59b592c29 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client</artifactId>
-  <version>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client:current} -->
+  <version>1.38.1</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 36b8fdd34..4c44d5c30 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+  <version>1.38.1</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>
@@ -573,7 +573,7 @@
       - 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>1.38.1-SNAPSHOT</project.http-client.version><!-- {x-version-update:google-http-client-parent:current} -->
+    <project.http-client.version>1.38.1</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 4d73920a2..03394282f 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>1.38.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.38.1</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 adef30bbb..b27ffb944 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,17 +1,17 @@
 # Format:
 # module:released-version:current-version
 
-google-http-client:1.38.0:1.38.1-SNAPSHOT
-google-http-client-bom:1.38.0:1.38.1-SNAPSHOT
-google-http-client-parent:1.38.0:1.38.1-SNAPSHOT
-google-http-client-android:1.38.0:1.38.1-SNAPSHOT
-google-http-client-android-test:1.38.0:1.38.1-SNAPSHOT
-google-http-client-apache-v2:1.38.0:1.38.1-SNAPSHOT
-google-http-client-appengine:1.38.0:1.38.1-SNAPSHOT
-google-http-client-assembly:1.38.0:1.38.1-SNAPSHOT
-google-http-client-findbugs:1.38.0:1.38.1-SNAPSHOT
-google-http-client-gson:1.38.0:1.38.1-SNAPSHOT
-google-http-client-jackson2:1.38.0:1.38.1-SNAPSHOT
-google-http-client-protobuf:1.38.0:1.38.1-SNAPSHOT
-google-http-client-test:1.38.0:1.38.1-SNAPSHOT
-google-http-client-xml:1.38.0:1.38.1-SNAPSHOT
+google-http-client:1.38.1:1.38.1
+google-http-client-bom:1.38.1:1.38.1
+google-http-client-parent:1.38.1:1.38.1
+google-http-client-android:1.38.1:1.38.1
+google-http-client-android-test:1.38.1:1.38.1
+google-http-client-apache-v2:1.38.1:1.38.1
+google-http-client-appengine:1.38.1:1.38.1
+google-http-client-assembly:1.38.1:1.38.1
+google-http-client-findbugs:1.38.1:1.38.1
+google-http-client-gson:1.38.1:1.38.1
+google-http-client-jackson2:1.38.1:1.38.1
+google-http-client-protobuf:1.38.1:1.38.1
+google-http-client-test:1.38.1:1.38.1
+google-http-client-xml:1.38.1:1.38.1