diff --git a/CHANGELOG.md b/CHANGELOG.md
index 211735084..7343a2cad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [0.21.1](https://www.github.com/googleapis/google-auth-library-java/compare/v0.21.0...v0.21.1) (2020-07-07)
+
+
+### Dependencies
+
+* update google-http-client to 1.36.0 ([#447](https://www.github.com/googleapis/google-auth-library-java/issues/447)) ([b913d19](https://www.github.com/googleapis/google-auth-library-java/commit/b913d194259e4f93bb401a844480f56b48dad3bd)), closes [#446](https://www.github.com/googleapis/google-auth-library-java/issues/446)
+
 ## [0.21.0](https://www.github.com/googleapis/google-auth-library-java/compare/v0.20.0...v0.21.0) (2020-06-24)
 
 
diff --git a/README.md b/README.md
index cc4b555eb..aa6d3ea55 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ If you are using Maven, add this to your pom.xml file (notice that you can repla
 <dependency>
   <groupId>com.google.auth</groupId>
   <artifactId>google-auth-library-oauth2-http</artifactId>
-  <version>0.21.0</version>
+  <version>0.21.1</version>
 </dependency>
 ```
 [//]: # ({x-version-update-end})
@@ -42,7 +42,7 @@ If you are using Gradle, add this to your dependencies
 
 [//]: # ({x-version-update-start:google-auth-library-oauth2-http:released})
 ```Groovy
-compile 'com.google.auth:google-auth-library-oauth2-http:0.21.0'
+compile 'com.google.auth:google-auth-library-oauth2-http:0.21.1'
 ```
 [//]: # ({x-version-update-end})
 
@@ -50,7 +50,7 @@ If you are using SBT, add this to your dependencies
 
 [//]: # ({x-version-update-start:google-auth-library-oauth2-http:released})
 ```Scala
-libraryDependencies += "com.google.auth" % "google-auth-library-oauth2-http" % "0.21.0"
+libraryDependencies += "com.google.auth" % "google-auth-library-oauth2-http" % "0.21.1"
 ```
 [//]: # ({x-version-update-end})
 
diff --git a/appengine/pom.xml b/appengine/pom.xml
index b0afd4e3e..e1ecd4449 100644
--- a/appengine/pom.xml
+++ b/appengine/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.google.auth</groupId>
     <artifactId>google-auth-library-parent</artifactId>
-    <version>0.21.0</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>0.21.1</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/bom/pom.xml b/bom/pom.xml
index 5035923af..3a71377b8 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.auth</groupId>
   <artifactId>google-auth-library-bom</artifactId>
-  <version>0.21.0</version><!-- {x-version-update:google-auth-library-bom:current} -->
+  <version>0.21.1</version><!-- {x-version-update:google-auth-library-bom:current} -->
   <packaging>pom</packaging>
   <name>Google Auth Library for Java BOM</name>
   <description>
@@ -91,7 +91,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId>
-        <version>3.9.0</version>
+        <version>3.9.1</version>
         <configuration>
           <skip>true</skip>
         </configuration>
diff --git a/credentials/pom.xml b/credentials/pom.xml
index 98bc5a20b..f851e41d9 100644
--- a/credentials/pom.xml
+++ b/credentials/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.auth</groupId>
     <artifactId>google-auth-library-parent</artifactId>
-    <version>0.21.0</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>0.21.1</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/oauth2_http/pom.xml b/oauth2_http/pom.xml
index 7568df601..7ffd30e38 100644
--- a/oauth2_http/pom.xml
+++ b/oauth2_http/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.google.auth</groupId>
     <artifactId>google-auth-library-parent</artifactId>
-    <version>0.21.0</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>0.21.1</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 5c74f6ef6..7197d78d3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.auth</groupId>
   <artifactId>google-auth-library-parent</artifactId>
-  <version>0.21.0</version><!-- {x-version-update:google-auth-library-parent:current} -->
+  <version>0.21.1</version><!-- {x-version-update:google-auth-library-parent:current} -->
   <packaging>pom</packaging>
   <name>Google Auth Library for Java</name>
   <description>Client libraries providing authentication and
@@ -59,7 +59,7 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <project.google.http.version>1.35.0</project.google.http.version>
+    <project.google.http.version>1.36.0</project.google.http.version>
     <project.junit.version>4.13</project.junit.version>
     <project.guava.version>29.0-android</project.guava.version>
     <project.appengine.version>1.9.78</project.appengine.version>
@@ -189,7 +189,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>3.0.0-M4</version>
+          <version>3.0.0-M5</version>
           <configuration>
             <reportNameSuffix>sponge_log</reportNameSuffix>
           </configuration>
@@ -281,7 +281,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId>
-        <version>3.9.0</version>
+        <version>3.9.1</version>
         <configuration>
           <skipDeploy>true</skipDeploy>
         </configuration>
diff --git a/versions.txt b/versions.txt
index 8136d9f02..94826a300 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,9 +1,9 @@
 # Format:
 # module:released-version:current-version
 
-google-auth-library:0.21.0:0.21.0
-google-auth-library-bom:0.21.0:0.21.0
-google-auth-library-parent:0.21.0:0.21.0
-google-auth-library-appengine:0.21.0:0.21.0
-google-auth-library-credentials:0.21.0:0.21.0
-google-auth-library-oauth2-http:0.21.0:0.21.0
+google-auth-library:0.21.1:0.21.1
+google-auth-library-bom:0.21.1:0.21.1
+google-auth-library-parent:0.21.1:0.21.1
+google-auth-library-appengine:0.21.1:0.21.1
+google-auth-library-credentials:0.21.1:0.21.1
+google-auth-library-oauth2-http:0.21.1:0.21.1