diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd0e1df7b..cd92149e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.27.0](https://www.github.com/googleapis/google-auth-library-java/compare/v0.26.0...v0.27.0) (2021-05-25)
+
+
+### Features
+
+* add impersonation credentials to ADC  ([#613](https://www.github.com/googleapis/google-auth-library-java/issues/613)) ([b9823f7](https://www.github.com/googleapis/google-auth-library-java/commit/b9823f70d7f3f7461b7de40bee06f5e7ba0e797c))
+
 ## [0.26.0](https://www.github.com/googleapis/google-auth-library-java/compare/v0.25.5...v0.26.0) (2021-05-20)
 
 
diff --git a/README.md b/README.md
index 2e21bbd85..b390b1278 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ 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>0.26.0</version>
+  <version>0.27.0</version>
 </dependency>
 ```
 [//]: # ({x-version-update-end})
@@ -41,7 +41,7 @@ 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:0.26.0'
+compile 'com.google.auth:google-auth-library-oauth2-http:0.27.0'
 ```
 [//]: # ({x-version-update-end})
 
@@ -49,7 +49,7 @@ 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" % "0.26.0"
+libraryDependencies += "com.google.auth" % "google-auth-library-oauth2-http" % "0.27.0"
 ```
 [//]: # ({x-version-update-end})
 
diff --git a/appengine/pom.xml b/appengine/pom.xml
index a5386bb7d..5ad4250f0 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>0.26.1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>0.27.0</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 a643fe760..e04d3eb42 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>0.26.1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-bom:current} -->
+  <version>0.27.0</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 4a4fb273c..01600d71f 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>0.26.1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>0.27.0</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 4e42bbcc0..e745e886f 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>0.26.1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>0.27.0</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 0dbdff717..4f6b4962d 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>0.26.1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+  <version>0.27.0</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 c886ee625..7aef575ee 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,9 +1,9 @@
 # Format:
 # module:released-version:current-version
 
-google-auth-library:0.26.0:0.26.1-SNAPSHOT
-google-auth-library-bom:0.26.0:0.26.1-SNAPSHOT
-google-auth-library-parent:0.26.0:0.26.1-SNAPSHOT
-google-auth-library-appengine:0.26.0:0.26.1-SNAPSHOT
-google-auth-library-credentials:0.26.0:0.26.1-SNAPSHOT
-google-auth-library-oauth2-http:0.26.0:0.26.1-SNAPSHOT
+google-auth-library:0.27.0:0.27.0
+google-auth-library-bom:0.27.0:0.27.0
+google-auth-library-parent:0.27.0:0.27.0
+google-auth-library-appengine:0.27.0:0.27.0
+google-auth-library-credentials:0.27.0:0.27.0
+google-auth-library-oauth2-http:0.27.0:0.27.0