diff --git a/CHANGELOG.md b/CHANGELOG.md
index 369f9c932..ff8952ebd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+## [1.15.9](https://github.com/googleapis/java-pubsublite/compare/v1.15.8...v1.15.9) (2025-06-06)
+
+
+### Bug Fixes
+
+* **deps:** Update the Java code generator (gapic-generator-java) to 2.59.0 ([ec10233](https://github.com/googleapis/java-pubsublite/commit/ec10233e408dccd0d0cc3271ad563db6d0b02711))
+
+
+### Dependencies
+
+* Update dependency com.google.cloud:google-cloud-pubsub to v1.140.0 ([#1871](https://github.com/googleapis/java-pubsublite/issues/1871)) ([ea8a436](https://github.com/googleapis/java-pubsublite/commit/ea8a436e465f148adeeaee6207caedf662001af3))
+* Update dependency com.google.cloud:google-cloud-pubsub to v1.140.1 ([#1877](https://github.com/googleapis/java-pubsublite/issues/1877)) ([eb6257f](https://github.com/googleapis/java-pubsublite/commit/eb6257fdf6f60a9a9dc657ac7a411414b5b5a59d))
+* Update dependency com.google.cloud:sdk-platform-java-config to v3.49.0 ([#1868](https://github.com/googleapis/java-pubsublite/issues/1868)) ([71aac46](https://github.com/googleapis/java-pubsublite/commit/71aac46a01af63fda7013e689c9349bce5789c24))
+* Update googleapis/sdk-platform-java action to v2.59.0 ([#1863](https://github.com/googleapis/java-pubsublite/issues/1863)) ([4d76380](https://github.com/googleapis/java-pubsublite/commit/4d763802b5e62e91f4044c47b3f219fd21fe8d4f))
+
 ## [1.15.8](https://github.com/googleapis/java-pubsublite/compare/v1.15.7...v1.15.8) (2025-05-16)
 
 
diff --git a/README.md b/README.md
index 44b58f307..0c0635d56 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ If you are using Maven, add this to your pom.xml file:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-pubsub</artifactId>
-  <version>1.140.0</version>
+  <version>1.140.1</version>
 </dependency>
 
 ```
@@ -32,13 +32,13 @@ If you are using Maven, add this to your pom.xml file:
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-pubsublite:1.15.8'
+implementation 'com.google.cloud:google-cloud-pubsublite:1.15.9'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-pubsublite" % "1.15.8"
+libraryDependencies += "com.google.cloud" % "google-cloud-pubsublite" % "1.15.9"
 ```
 
 ## Authentication
@@ -481,7 +481,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-pubsublite/java11.html
 [stability-image]: https://img.shields.io/badge/stability-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-pubsublite.svg
-[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-pubsublite/1.15.8
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-pubsublite/1.15.9
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication
 [auth-scopes]: https://developers.google.com/identity/protocols/oauth2/scopes
 [predefined-iam-roles]: https://cloud.google.com/iam/docs/understanding-roles#predefined_roles
diff --git a/google-cloud-pubsublite-bom/pom.xml b/google-cloud-pubsublite-bom/pom.xml
index eebef12be..a72939c76 100644
--- a/google-cloud-pubsublite-bom/pom.xml
+++ b/google-cloud-pubsublite-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-pubsublite-bom</artifactId>
-  <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+  <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,17 +52,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-pubsublite</artifactId>
-        <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+        <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-pubsublite-v1</artifactId>
-        <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-pubsublite-v1:current} -->
+        <version>1.15.9</version><!-- {x-version-update:grpc-google-cloud-pubsublite-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-pubsublite-v1</artifactId>
-        <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-pubsublite-v1:current} -->
+        <version>1.15.9</version><!-- {x-version-update:proto-google-cloud-pubsublite-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-pubsublite/pom.xml b/google-cloud-pubsublite/pom.xml
index 311b5f4c8..dcb06b0b5 100644
--- a/google-cloud-pubsublite/pom.xml
+++ b/google-cloud-pubsublite/pom.xml
@@ -3,13 +3,13 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-pubsublite-parent</artifactId>
-    <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+    <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-pubsublite</artifactId>
-  <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+  <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Pub/Sub Lite</name>
   <url>https://github.com/googleapis/java-pubsublite</url>
@@ -48,12 +48,12 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-cloud-pubsublite-v1</artifactId>
-      <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+      <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-pubsublite-v1</artifactId>
-      <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+      <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
     </dependency>
     <dependency>
       <groupId>com.google.flogger</groupId>
diff --git a/grpc-google-cloud-pubsublite-v1/pom.xml b/grpc-google-cloud-pubsublite-v1/pom.xml
index db02b9506..921638518 100644
--- a/grpc-google-cloud-pubsublite-v1/pom.xml
+++ b/grpc-google-cloud-pubsublite-v1/pom.xml
@@ -4,20 +4,20 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-pubsublite-v1</artifactId>
-  <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+  <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
   <name>grpc-google-cloud-pubsublite-v1</name>
   <description>GRPC library for grpc-google-cloud-pubsublite-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-pubsublite-parent</artifactId>
-    <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+    <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <dependencies>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-cloud-pubsublite-v1</artifactId>
-      <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+      <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
diff --git a/pom.xml b/pom.xml
index 8d8ae9647..436674a38 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-pubsublite-parent</artifactId>
-  <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+  <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
   <packaging>pom</packaging>
   <name>Google Cloud Pub/Sub Lite Parent</name>
   <url>https://github.com/googleapis/java-pubsublite</url>
@@ -25,17 +25,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-pubsublite-v1</artifactId>
-        <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+        <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-pubsublite-v1</artifactId>
-        <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+        <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-pubsublite</artifactId>
-        <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+        <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.auto.service</groupId>
diff --git a/proto-google-cloud-pubsublite-v1/pom.xml b/proto-google-cloud-pubsublite-v1/pom.xml
index 69b837858..c91192214 100644
--- a/proto-google-cloud-pubsublite-v1/pom.xml
+++ b/proto-google-cloud-pubsublite-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-pubsublite-v1</artifactId>
-  <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+  <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
   <name>proto-google-cloud-pubsublite-v1</name>
   <description>PROTO library for proto-google-cloud-pubsublite-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-pubsublite-parent</artifactId>
-    <version>1.15.9-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+    <version>1.15.9</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <dependencies>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 2c60328d2..e799a95d9 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -45,7 +45,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsublite</artifactId>
-      <version>1.15.9-SNAPSHOT</version>
+      <version>1.15.9</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>
diff --git a/versions.txt b/versions.txt
index 78ae4aa8a..819e8a337 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,7 +1,7 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-pubsublite:1.15.8:1.15.9-SNAPSHOT
-pubsublite-beam-io:0.34.8:0.34.9-SNAPSHOT
-proto-google-cloud-pubsublite-v1:1.15.8:1.15.9-SNAPSHOT
-grpc-google-cloud-pubsublite-v1:1.15.8:1.15.9-SNAPSHOT
+google-cloud-pubsublite:1.15.9:1.15.9
+pubsublite-beam-io:0.34.9:0.34.9
+proto-google-cloud-pubsublite-v1:1.15.9:1.15.9
+grpc-google-cloud-pubsublite-v1:1.15.9:1.15.9