diff --git a/build.gradle b/build.gradle
index ba70d1ff50..47582a5231 100644
--- a/build.gradle
+++ b/build.gradle
@@ -710,7 +710,7 @@ dependencies {
     }
     testRuntimeOnly 'org.scala-lang:scala-library:2.13.15'
     testRuntimeOnly 'com.typesafe.scala-logging:scala-logging_3:3.9.5'
-    testRuntimeOnly('org.apache.zookeeper:zookeeper:3.9.2') {
+    testRuntimeOnly('org.apache.zookeeper:zookeeper:3.9.3') {
         exclude(group:'ch.qos.logback', module: 'logback-classic' )
         exclude(group:'ch.qos.logback', module: 'logback-core' )
     }