diff --git a/pom.xml b/pom.xml
index 49eaf516e1042..7331c7e417f7d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2298,7 +2298,7 @@
             <dependency>
                 <groupId>org.apache.zookeeper</groupId>
                 <artifactId>zookeeper</artifactId>
-                <version>3.9.3</version>
+                <version>3.9.4</version>
                 <exclusions>
                     <exclusion>
                         <artifactId>jline</artifactId>