diff --git a/CHANGELOG.md b/CHANGELOG.md
index 200746f71..97976395d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,31 @@
 # Changelog
 
+## [0.23.0](https://www.github.com/googleapis/google-auth-library-java/compare/v0.22.2...v0.23.0) (2021-01-05)
+
+
+### ⚠ BREAKING CHANGES
+
+* privatize deprecated constructor (#473)
+
+### Features
+
+* allow custom lifespan for impersonated creds ([#515](https://www.github.com/googleapis/google-auth-library-java/issues/515)) ([0707ed4](https://www.github.com/googleapis/google-auth-library-java/commit/0707ed4bbb40fb775f196004ee30f8c695fe662b))
+* allow custom scopes for compute engine creds ([#514](https://www.github.com/googleapis/google-auth-library-java/issues/514)) ([edc8d6e](https://www.github.com/googleapis/google-auth-library-java/commit/edc8d6e0e7ca2c6749d026ba42854a09c4879fd6))
+
+
+### Bug Fixes
+
+* per google style, logger is lower case ([#529](https://www.github.com/googleapis/google-auth-library-java/issues/529)) ([ecfc6a2](https://www.github.com/googleapis/google-auth-library-java/commit/ecfc6a2ea6060e06629b5d422b23b842b917f55e))
+* privatize deprecated constructor ([#473](https://www.github.com/googleapis/google-auth-library-java/issues/473)) ([5804ff0](https://www.github.com/googleapis/google-auth-library-java/commit/5804ff03a531268831ac797ab262638a3119c14f))
+* switch to GSON ([#531](https://www.github.com/googleapis/google-auth-library-java/issues/531)) ([1b98d5c](https://www.github.com/googleapis/google-auth-library-java/commit/1b98d5c86fc5e56187c977e7f43c39bb62483d40))
+* use default timeout if given 0 for ImpersonatedCredentials ([#527](https://www.github.com/googleapis/google-auth-library-java/issues/527)) ([ec74870](https://www.github.com/googleapis/google-auth-library-java/commit/ec74870c372a33d4157b45bb5d59ad7464fb2238))
+
+
+### Dependencies
+
+* update dependency com.google.appengine:appengine-api-1.0-sdk to v1.9.84 ([#422](https://www.github.com/googleapis/google-auth-library-java/issues/422)) ([b262c45](https://www.github.com/googleapis/google-auth-library-java/commit/b262c4587b058e6837429ee05f1b6a63620ee598))
+* update dependency com.google.guava:guava to v30.1-android ([#522](https://www.github.com/googleapis/google-auth-library-java/issues/522)) ([4090d1c](https://www.github.com/googleapis/google-auth-library-java/commit/4090d1cb50041bceb1cd975d1a9249a412df936f))
+
 ### [0.22.2](https://www.github.com/googleapis/google-auth-library-java/compare/v0.22.1...v0.22.2) (2020-12-11)
 
 
diff --git a/README.md b/README.md
index dff1cb18b..9d11eef77 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>0.22.2</version>
+  <version>0.23.0</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:0.22.2'
+compile 'com.google.auth:google-auth-library-oauth2-http:0.23.0'
 ```
 [//]: # ({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" % "0.22.2"
+libraryDependencies += "com.google.auth" % "google-auth-library-oauth2-http" % "0.23.0"
 ```
 [//]: # ({x-version-update-end})
 
diff --git a/appengine/pom.xml b/appengine/pom.xml
index 99bb18a01..322ee1300 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>0.22.3-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>0.23.0</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 1231c2691..9f87f73d5 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>0.22.3-SNAPSHOT</version><!-- {x-version-update:google-auth-library-bom:current} -->
+  <version>0.23.0</version><!-- {x-version-update:google-auth-library-bom:current} -->
   <packaging>pom</packaging>
   <name>Google Auth Library for Java BOM</name>
   <description>
diff --git a/credentials/pom.xml b/credentials/pom.xml
index 22078f132..eb92df55d 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>0.22.3-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>0.23.0</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 955537119..23bd7635f 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>0.22.3-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>0.23.0</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 0ee951854..6fc469884 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>0.22.3-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+  <version>0.23.0</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
diff --git a/versions.txt b/versions.txt
index 0fbd32cb6..d65e1200c 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,9 +1,9 @@
 # Format:
 # module:released-version:current-version
 
-google-auth-library:0.22.2:0.22.3-SNAPSHOT
-google-auth-library-bom:0.22.2:0.22.3-SNAPSHOT
-google-auth-library-parent:0.22.2:0.22.3-SNAPSHOT
-google-auth-library-appengine:0.22.2:0.22.3-SNAPSHOT
-google-auth-library-credentials:0.22.2:0.22.3-SNAPSHOT
-google-auth-library-oauth2-http:0.22.2:0.22.3-SNAPSHOT
+google-auth-library:0.23.0:0.23.0
+google-auth-library-bom:0.23.0:0.23.0
+google-auth-library-parent:0.23.0:0.23.0
+google-auth-library-appengine:0.23.0:0.23.0
+google-auth-library-credentials:0.23.0:0.23.0
+google-auth-library-oauth2-http:0.23.0:0.23.0