diff --git a/cassandra-bigtable-migration-tools/cassandra-bigtable-java-client/cassandra-bigtable-java-client-lib/pom.xml b/cassandra-bigtable-migration-tools/cassandra-bigtable-java-client/cassandra-bigtable-java-client-lib/pom.xml
index fb9e6002..ca9ebc9f 100644
--- a/cassandra-bigtable-migration-tools/cassandra-bigtable-java-client/cassandra-bigtable-java-client-lib/pom.xml
+++ b/cassandra-bigtable-migration-tools/cassandra-bigtable-java-client/cassandra-bigtable-java-client-lib/pom.xml
@@ -37,7 +37,7 @@ limitations under the License.
     <maven.compiler.source>8</maven.compiler.source>
     <maven.compiler.target>8</maven.compiler.target>
     <skipIntegrationTests>true</skipIntegrationTests>
-    <netty.version>4.1.123.Final</netty.version>
+    <netty.version>4.1.135.Final</netty.version>
   </properties>
 
   <dependencyManagement>