diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b78691009..78cee4c14 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.41.0-rc2"
+  ".": "1.42.0-rc1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 52420642a..4e9d5a7e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.42.0-rc1](https://github.com/googleapis/google-auth-library-java/compare/v1.42.0-rc1...v1.42.0-rc1) (2025-12-11)
+
+
+### Features
+
+* next release is 1.42.0-rc1 ([ec003c4](https://github.com/googleapis/google-auth-library-java/commit/ec003c4c55ec120169aab0ee3cac8a3247e71909))
+
 ## [1.41.0-rc2](https://github.com/googleapis/google-auth-library-java/compare/v1.41.0...v1.42.0-rc1) (2025-12-11)
 
 
diff --git a/appengine/pom.xml b/appengine/pom.xml
index aeab08550..b99f763c6 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>1.42.0-rc1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>1.42.0-rc1</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/bom/README.md b/bom/README.md
index 3605d37b3..038dc7ef3 100644
--- a/bom/README.md
+++ b/bom/README.md
@@ -12,7 +12,7 @@ To use it in Maven, add the following to your `pom.xml`:
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-bom</artifactId>
-      <version>1.41.0-rc2</version>
+      <version>1.42.0-rc1</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
diff --git a/bom/pom.xml b/bom/pom.xml
index 8e26c1f33..880a48467 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>1.42.0-rc1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-bom:current} -->
+  <version>1.42.0-rc1</version><!-- {x-version-update:google-auth-library-bom:current} -->
   <packaging>pom</packaging>
   <name>Google Auth Library for Java BOM</name>
   <description>
diff --git a/cab-token-generator/pom.xml b/cab-token-generator/pom.xml
index 6e6c0d217..cb64c20cd 100644
--- a/cab-token-generator/pom.xml
+++ b/cab-token-generator/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.google.auth</groupId>
     <artifactId>google-auth-library-parent</artifactId>
-    <version>1.42.0-rc1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>1.42.0-rc1</version><!-- {x-version-update:google-auth-library-parent:current} -->
   </parent>
 
   <artifactId>google-auth-library-cab-token-generator</artifactId>
diff --git a/credentials/pom.xml b/credentials/pom.xml
index ae84213c0..56e29cd1c 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>1.42.0-rc1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>1.42.0-rc1</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 e9cfae07e..768f66ff8 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>1.42.0-rc1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>1.42.0-rc1</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 461390dd0..c4f162296 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>1.42.0-rc1-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
+  <version>1.42.0-rc1</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 b4f033ca8..96cfb8ec4 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,9 +1,9 @@
 # Format:
 # module:released-version:current-version
 
-google-auth-library:1.41.0-rc2:1.42.0-rc1-SNAPSHOT
-google-auth-library-bom:1.41.0-rc2:1.42.0-rc1-SNAPSHOT
-google-auth-library-parent:1.41.0-rc2:1.42.0-rc1-SNAPSHOT
-google-auth-library-appengine:1.41.0-rc2:1.42.0-rc1-SNAPSHOT
-google-auth-library-credentials:1.41.0-rc2:1.42.0-rc1-SNAPSHOT
-google-auth-library-oauth2-http:1.41.0-rc2:1.42.0-rc1-SNAPSHOT
+google-auth-library:1.42.0-rc1:1.42.0-rc1
+google-auth-library-bom:1.42.0-rc1:1.42.0-rc1
+google-auth-library-parent:1.42.0-rc1:1.42.0-rc1
+google-auth-library-appengine:1.42.0-rc1:1.42.0-rc1
+google-auth-library-credentials:1.42.0-rc1:1.42.0-rc1
+google-auth-library-oauth2-http:1.42.0-rc1:1.42.0-rc1