diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a69d4aa4..4e4045f77 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # Changelog
 
+## [1.24.0](https://github.com/googleapis/google-auth-library-java/compare/v1.23.0...v1.24.0) (2024-04-09)
+
+
+### Features
+
+* Next release from main branch is 1.21.0 ([#1372](https://github.com/googleapis/google-auth-library-java/issues/1372)) ([23c3cbe](https://github.com/googleapis/google-auth-library-java/commit/23c3cbe70fdce49a3075e15ba965739704a87ace))
+
+
+### Bug Fixes
+
+* Remove Base64 padding in DefaultPKCEProvider ([#1375](https://github.com/googleapis/google-auth-library-java/issues/1375)) ([1405378](https://github.com/googleapis/google-auth-library-java/commit/1405378b05469841a3683bc914f47b92437abcfc))
+
+
+### Documentation
+
+* Add supplier sections to table of contents ([#1371](https://github.com/googleapis/google-auth-library-java/issues/1371)) ([9e11763](https://github.com/googleapis/google-auth-library-java/commit/9e11763e79127b3691533488482575adef6f73d2))
+* Adds docs for supplier based external account credentials ([#1362](https://github.com/googleapis/google-auth-library-java/issues/1362)) ([bd898c6](https://github.com/googleapis/google-auth-library-java/commit/bd898c64875a87414f84ca0787ba6c140e05921b))
+* Fix readme documentation for workload custom suppliers. ([#1382](https://github.com/googleapis/google-auth-library-java/issues/1382)) ([75bd749](https://github.com/googleapis/google-auth-library-java/commit/75bd749985e2d507dc48863408067950fcda3ef1))
+
 ## [1.23.0](https://github.com/googleapis/google-auth-library-java/compare/v1.22.0...v1.23.0) (2024-02-05)
 
 
diff --git a/appengine/pom.xml b/appengine/pom.xml
index 85bef4522..586c9fe4d 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>1.23.1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>1.24.0</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 e5a936189..88450956c 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>1.23.1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-bom:current} -->
+  <version>1.24.0</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 42bb369b0..13b427066 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>1.23.1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>1.24.0</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 3f677b50e..fbf3e810e 100644
--- a/oauth2_http/pom.xml
+++ b/oauth2_http/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.google.auth</groupId>
     <artifactId>google-auth-library-parent</artifactId>
-    <version>1.23.1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>1.24.0</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 74d7dd2ee..44dd6a013 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.auth</groupId>
   <artifactId>google-auth-library-parent</artifactId>
-  <version>1.23.1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+  <version>1.24.0</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 e1a417028..25d1efe03 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,9 +1,9 @@
 # Format:
 # module:released-version:current-version
 
-google-auth-library:1.23.0:1.23.1-SNAPSHOT
-google-auth-library-bom:1.23.0:1.23.1-SNAPSHOT
-google-auth-library-parent:1.23.0:1.23.1-SNAPSHOT
-google-auth-library-appengine:1.23.0:1.23.1-SNAPSHOT
-google-auth-library-credentials:1.23.0:1.23.1-SNAPSHOT
-google-auth-library-oauth2-http:1.23.0:1.23.1-SNAPSHOT
+google-auth-library:1.24.0:1.24.0
+google-auth-library-bom:1.24.0:1.24.0
+google-auth-library-parent:1.24.0:1.24.0
+google-auth-library-appengine:1.24.0:1.24.0
+google-auth-library-credentials:1.24.0:1.24.0
+google-auth-library-oauth2-http:1.24.0:1.24.0