diff --git a/CHANGELOG.md b/CHANGELOG.md
index 11b7b6735..1054c824f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [1.12.21](https://github.com/googleapis/java-pubsublite/compare/v1.12.20...v1.12.21) (2024-01-26)
+
+
+### Bug Fixes
+
+* **deps:** Update the Java code generator (gapic-generator-java) to 2.32.0 ([#1573](https://github.com/googleapis/java-pubsublite/issues/1573)) ([2db1a5c](https://github.com/googleapis/java-pubsublite/commit/2db1a5c37c417863bfc409ffaf56d6bed436e287))
+
+
+### Dependencies
+
+* Update dependency com.google.cloud:google-cloud-bom to v0.211.0 ([#1560](https://github.com/googleapis/java-pubsublite/issues/1560)) ([70a4e02](https://github.com/googleapis/java-pubsublite/commit/70a4e02c891cd09df0bb6d96b111d5d289886b78))
+* Update dependency com.google.cloud:google-cloud-pubsub to v1.126.0 ([#1570](https://github.com/googleapis/java-pubsublite/issues/1570)) ([332917e](https://github.com/googleapis/java-pubsublite/commit/332917e7635766bfe04cd543f50297aee8ba8835))
+* Update dependency com.google.cloud:google-cloud-pubsub to v1.126.1 ([#1579](https://github.com/googleapis/java-pubsublite/issues/1579)) ([4747962](https://github.com/googleapis/java-pubsublite/commit/4747962bf8d76c54c9b31b90872a8f83c2f4a5d9))
+* Update dependency com.google.cloud:google-cloud-pubsub to v1.126.2 ([#1580](https://github.com/googleapis/java-pubsublite/issues/1580)) ([9183962](https://github.com/googleapis/java-pubsublite/commit/918396269a4a7499448456d6e6028dcc0145b2f4))
+* Update dependency com.google.cloud:google-cloud-shared-dependencies to v3.22.0 ([#1571](https://github.com/googleapis/java-pubsublite/issues/1571)) ([179a0f1](https://github.com/googleapis/java-pubsublite/commit/179a0f1e94beeb5e4005b306849a22f1c03f1039))
+* Update dependency com.google.cloud:google-cloud-shared-dependencies to v3.23.0 ([#1577](https://github.com/googleapis/java-pubsublite/issues/1577)) ([c7c8808](https://github.com/googleapis/java-pubsublite/commit/c7c8808bcec2bad7e4aa9ead57e87391c2fc18f9))
+
 ## [1.12.20](https://github.com/googleapis/java-pubsublite/compare/v1.12.19...v1.12.20) (2024-01-11)
 
 
diff --git a/google-cloud-pubsublite-bom/pom.xml b/google-cloud-pubsublite-bom/pom.xml
index 57beef763..9ec8f4333 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>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+  <version>1.12.21</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>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+        <version>1.12.21</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-pubsublite-v1</artifactId>
-        <version>1.12.21-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-pubsublite-v1:current} -->
+        <version>1.12.21</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>1.12.21-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-pubsublite-v1:current} -->
+        <version>1.12.21</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 2e1c57299..8acc5d4d4 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>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+    <version>1.12.21</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>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+  <version>1.12.21</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>
@@ -47,12 +47,12 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-cloud-pubsublite-v1</artifactId>
-      <version>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+      <version>1.12.21</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-pubsublite-v1</artifactId>
-      <version>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+      <version>1.12.21</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 eb9d7ec83..260854585 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>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+  <version>1.12.21</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>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+    <version>1.12.21</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>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+      <version>1.12.21</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
diff --git a/pom.xml b/pom.xml
index 3270cce2d..0d791fe0c 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>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+  <version>1.12.21</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>1.12.21-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-pubsublite-v1:current} -->
+        <version>1.12.21</version><!-- {x-version-update:proto-google-cloud-pubsublite-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-pubsublite-v1</artifactId>
-        <version>1.12.21-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-pubsublite-v1:current} -->
+        <version>1.12.21</version><!-- {x-version-update:grpc-google-cloud-pubsublite-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-pubsublite</artifactId>
-        <version>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+        <version>1.12.21</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
diff --git a/proto-google-cloud-pubsublite-v1/pom.xml b/proto-google-cloud-pubsublite-v1/pom.xml
index 7a63ba7a5..bda7397c7 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>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+  <version>1.12.21</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>1.12.21-SNAPSHOT</version><!-- {x-version-update:google-cloud-pubsublite:current} -->
+    <version>1.12.21</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 aa9e7e864..0b9111ad7 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>1.12.21-SNAPSHOT</version>
+      <version>1.12.21</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>
diff --git a/versions.txt b/versions.txt
index 27f4549e0..0f0fc8249 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,7 +1,7 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-pubsublite:1.12.20:1.12.21-SNAPSHOT
-pubsublite-beam-io:0.31.20:0.31.21-SNAPSHOT
-proto-google-cloud-pubsublite-v1:1.12.20:1.12.21-SNAPSHOT
-grpc-google-cloud-pubsublite-v1:1.12.20:1.12.21-SNAPSHOT
+google-cloud-pubsublite:1.12.21:1.12.21
+pubsublite-beam-io:0.31.21:0.31.21
+proto-google-cloud-pubsublite-v1:1.12.21:1.12.21
+grpc-google-cloud-pubsublite-v1:1.12.21:1.12.21