diff --git a/CHANGELOG.md b/CHANGELOG.md
index a54f1bd0..e8ff648d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [1.2.0](https://github.com/googleapis/java-spanner-cassandra/compare/v1.1.0...v1.2.0) (2026-06-03)
+
+
+### Features
+
+* Expose options for connecting to experimental host via tls/mTLS ([#307](https://github.com/googleapis/java-spanner-cassandra/issues/307)) ([f93a5eb](https://github.com/googleapis/java-spanner-cassandra/commit/f93a5eba151c687f0e8bac974bbdca9577659e41))
+* Support USE keyspace attachments ([#353](https://github.com/googleapis/java-spanner-cassandra/issues/353)) ([4ee06d4](https://github.com/googleapis/java-spanner-cassandra/commit/4ee06d40a000eaffeffa0a464a6fb7582d8d3b63))
+
+
+### Bug Fixes
+
+* Update renovate config check to use npx ([#338](https://github.com/googleapis/java-spanner-cassandra/issues/338)) ([52c6b98](https://github.com/googleapis/java-spanner-cassandra/commit/52c6b98a8d090f5710f0435322a2bdc647b88c60))
+* Upgrade testcontainers to 1.21.4 ([#300](https://github.com/googleapis/java-spanner-cassandra/issues/300)) ([ecc2194](https://github.com/googleapis/java-spanner-cassandra/commit/ecc219440ccd99ad91a9c66bb033896d6a2e4ab3))
+
 ## [1.1.0](https://github.com/googleapis/java-spanner-cassandra/compare/v1.0.0...v1.1.0) (2025-12-16)
 
 
diff --git a/README.md b/README.md
index 41c22152..a8558f81 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 ## Current Released Version
 
 <!--- {x-version-update-start:google-cloud-spanner-cassandra:released} -->
-Version `1.1.0`
+Version `1.2.0`
 <!--- {x-version-update-end} -->
 
 ## Introduction
@@ -84,7 +84,7 @@ For Java applications already using the `cassandra-java-driver` library, integra
     <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-spanner-cassandra</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0</version>
     </dependency>
     ```
     <!-- [END spanner_cassandra_maven_dependency] -->
@@ -96,7 +96,7 @@ For Java applications already using the `cassandra-java-driver` library, integra
     <!-- [START spanner_cassandra_gradle_dependency] -->
     ```gradle
     dependencies {
-        implementation 'com.google.cloud:google-cloud-spanner-cassandra:1.1.0'
+        implementation 'com.google.cloud:google-cloud-spanner-cassandra:1.2.0'
     }
     ```
     <!-- [END spanner_cassandra_gradle_dependency] -->
diff --git a/google-cloud-spanner-cassandra/pom.xml b/google-cloud-spanner-cassandra/pom.xml
index a96d6421..827337c7 100644
--- a/google-cloud-spanner-cassandra/pom.xml
+++ b/google-cloud-spanner-cassandra/pom.xml
@@ -8,11 +8,11 @@
     <artifactId>google-cloud-spanner-cassandra</artifactId>
     <packaging>jar</packaging>
     <name>Google Cloud Spanner Cassandra</name>
-    <version>1.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
+    <version>1.2.0</version><!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-spanner-cassandra-parent</artifactId>
-        <version>1.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
+        <version>1.2.0</version><!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
     </parent>
 
     <dependencies>
diff --git a/integration-tests/pom.xml b/integration-tests/pom.xml
index 7fd94c82..1a06c6d7 100644
--- a/integration-tests/pom.xml
+++ b/integration-tests/pom.xml
@@ -6,7 +6,7 @@
     <parent>
           <groupId>com.google.cloud</groupId>
           <artifactId>google-cloud-spanner-cassandra-parent</artifactId>
-          <version>1.1.1-SNAPSHOT</version> <!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
+          <version>1.2.0</version> <!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
     </parent>
 
     <groupId>com.google.cloud</groupId>
diff --git a/pom.xml b/pom.xml
index 4accfbec..56a289be 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-spanner-cassandra-parent</artifactId>
     <packaging>pom</packaging>
-    <version>1.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
+    <version>1.2.0</version><!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
 
     <name>Google Cloud Spanner Cassandra Parent</name>
     <url>https://github.com/googleapis/java-spanner-cassandra</url>
@@ -154,7 +154,7 @@
             <dependency>
                 <groupId>com.google.cloud</groupId>
                 <artifactId>google-cloud-spanner-cassandra</artifactId>
-                <version>1.1.1-SNAPSHOT</version> <!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
+                <version>1.2.0</version> <!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
             </dependency>
         </dependencies>
     </dependencyManagement>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 07fd0f6a..0d8f304f 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>com.google.cloud</groupId>
             <artifactId>google-cloud-spanner-cassandra</artifactId>
-            <version>1.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
+            <version>1.2.0</version><!-- {x-version-update:google-cloud-spanner-cassandra:current} -->
         </dependency>
         <dependency>
             <groupId>org.apache.cassandra</groupId>
diff --git a/versions.txt b/versions.txt
index a16d6537..475f6ae0 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-spanner-cassandra:1.1.0:1.1.1-SNAPSHOT
+google-cloud-spanner-cassandra:1.2.0:1.2.0