diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9ca1c263..52e107131 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.21.0](https://github.com/googleapis/java-datastore/compare/v2.20.2...v2.21.0) (2024-07-31)
+
+
+### Features
+
+* Enable hermetic library generation ([#1462](https://github.com/googleapis/java-datastore/issues/1462)) ([d142d9c](https://github.com/googleapis/java-datastore/commit/d142d9c95d91c8cadaf696efc12d6136814938ff))
+
 ## [2.20.2](https://github.com/googleapis/java-datastore/compare/v2.20.1...v2.20.2) (2024-06-28)
 
 
diff --git a/datastore-v1-proto-client/pom.xml b/datastore-v1-proto-client/pom.xml
index 70b9590b0..59a18afe9 100644
--- a/datastore-v1-proto-client/pom.xml
+++ b/datastore-v1-proto-client/pom.xml
@@ -19,12 +19,12 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud.datastore</groupId>
   <artifactId>datastore-v1-proto-client</artifactId>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:datastore-v1-proto-client:current} -->
+  <version>2.21.0</version><!-- {x-version-update:datastore-v1-proto-client:current} -->
 
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-parent</artifactId>
-    <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.21.0</version><!-- {x-version-update:google-cloud-datastore:current} -->
   </parent>
 
   <packaging>jar</packaging>
diff --git a/google-cloud-datastore-bom/pom.xml b/google-cloud-datastore-bom/pom.xml
index 281c581c9..87cc26a83 100644
--- a/google-cloud-datastore-bom/pom.xml
+++ b/google-cloud-datastore-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-datastore-bom</artifactId>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore-bom:current} -->
+  <version>2.21.0</version><!-- {x-version-update:google-cloud-datastore-bom:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,22 +52,22 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-datastore</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+        <version>2.21.0</version><!-- {x-version-update:google-cloud-datastore:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-datastore-admin-v1</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
+        <version>2.21.0</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datastore-v1</artifactId>
-        <version>0.111.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
+        <version>0.112.0</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datastore-admin-v1</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
+        <version>2.21.0</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-datastore/pom.xml b/google-cloud-datastore/pom.xml
index b06df4c0f..17c7d4ec7 100644
--- a/google-cloud-datastore/pom.xml
+++ b/google-cloud-datastore/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>google-cloud-datastore</artifactId>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+  <version>2.21.0</version><!-- {x-version-update:google-cloud-datastore:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Datastore</name>
   <url>https://github.com/googleapis/java-datastore</url>
@@ -12,7 +12,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-parent</artifactId>
-    <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.21.0</version><!-- {x-version-update:google-cloud-datastore:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-datastore</site.installationModule>
diff --git a/grpc-google-cloud-datastore-admin-v1/pom.xml b/grpc-google-cloud-datastore-admin-v1/pom.xml
index 69da06680..c92a2e085 100644
--- a/grpc-google-cloud-datastore-admin-v1/pom.xml
+++ b/grpc-google-cloud-datastore-admin-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-datastore-admin-v1</artifactId>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
+  <version>2.21.0</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
   <name>grpc-google-cloud-datastore-admin-v1</name>
   <description>GRPC library for google-cloud-datastore</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-parent</artifactId>
-    <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.21.0</version><!-- {x-version-update:google-cloud-datastore:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 407041f2b..92e9e6b9c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-datastore-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+  <version>2.21.0</version><!-- {x-version-update:google-cloud-datastore:current} -->
   <name>Google Cloud Datastore Parent</name>
   <url>https://github.com/googleapis/java-datastore</url>
   <description>
@@ -159,27 +159,27 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datastore-admin-v1</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
+        <version>2.21.0</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-datastore-admin-v1</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
+        <version>2.21.0</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-datastore</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+        <version>2.21.0</version><!-- {x-version-update:google-cloud-datastore:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datastore-v1</artifactId>
-        <version>0.111.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
+        <version>0.112.0</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud.datastore</groupId>
         <artifactId>datastore-v1-proto-client</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:datastore-v1-proto-client:current} -->
+        <version>2.21.0</version><!-- {x-version-update:datastore-v1-proto-client:current} -->
         <exclusions>
           <exclusion>
             <groupId>com.google.api.grpc</groupId>
diff --git a/proto-google-cloud-datastore-admin-v1/pom.xml b/proto-google-cloud-datastore-admin-v1/pom.xml
index f53996a6d..712d421f2 100644
--- a/proto-google-cloud-datastore-admin-v1/pom.xml
+++ b/proto-google-cloud-datastore-admin-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-datastore-admin-v1</artifactId>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
+  <version>2.21.0</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
   <name>proto-google-cloud-datastore-admin-v1</name>
   <description>Proto library for google-cloud-datastore</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-parent</artifactId>
-    <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.21.0</version><!-- {x-version-update:google-cloud-datastore:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-datastore-v1/pom.xml b/proto-google-cloud-datastore-v1/pom.xml
index 85f530c75..6a4c4c026 100644
--- a/proto-google-cloud-datastore-v1/pom.xml
+++ b/proto-google-cloud-datastore-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-datastore-v1</artifactId>
-  <version>0.111.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
+  <version>0.112.0</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
   <name>proto-google-cloud-datastore-v1</name>
   <description>PROTO library for proto-google-cloud-datastore-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-parent</artifactId>
-    <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.21.0</version><!-- {x-version-update:google-cloud-datastore:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 93710c03b..18c99a152 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-datastore</artifactId>
-      <version>2.20.3-SNAPSHOT</version>
+      <version>2.21.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/versions.txt b/versions.txt
index 5d2ffbced..5dca750af 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,9 +1,9 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-datastore:2.20.2:2.20.3-SNAPSHOT
-google-cloud-datastore-bom:2.20.2:2.20.3-SNAPSHOT
-proto-google-cloud-datastore-v1:0.111.2:0.111.3-SNAPSHOT
-datastore-v1-proto-client:2.20.2:2.20.3-SNAPSHOT
-proto-google-cloud-datastore-admin-v1:2.20.2:2.20.3-SNAPSHOT
-grpc-google-cloud-datastore-admin-v1:2.20.2:2.20.3-SNAPSHOT
+google-cloud-datastore:2.21.0:2.21.0
+google-cloud-datastore-bom:2.21.0:2.21.0
+proto-google-cloud-datastore-v1:0.112.0:0.112.0
+datastore-v1-proto-client:2.21.0:2.21.0
+proto-google-cloud-datastore-admin-v1:2.21.0:2.21.0
+grpc-google-cloud-datastore-admin-v1:2.21.0:2.21.0