diff --git a/pom.xml b/pom.xml
index a07db0fc4..85bfe1ea3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -80,7 +80,7 @@ under the License.
     <flink.main.version>1.17</flink.main.version>
     <flink.version>1.17.1</flink.version>
     <flink.python.artifact>flink-python</flink.python.artifact>
-    <zookeeper.version>3.6.3</zookeeper.version>
+    <zookeeper.version>3.8.4</zookeeper.version>
     <hadoop.version>2.10.2</hadoop.version>
 
     <!-- Can be set to any value to reproduce a specific build. -->