diff --git a/notification/pom.xml b/notification/pom.xml
index 97bbe839a31..93623397554 100644
--- a/notification/pom.xml
+++ b/notification/pom.xml
@@ -171,7 +171,7 @@
                                 <artifactItem>
                                     <groupId>org.apache.zookeeper</groupId>
                                     <artifactId>zookeeper</artifactId>
-                                    <version>3.4.6</version>
+                                    <version>3.8.6</version>
                                 </artifactItem>
                             </artifactItems>
                         </configuration>
diff --git a/pom.xml b/pom.xml
index 0dcb1f61bd0..7a7d8c32869 100644
--- a/pom.xml
+++ b/pom.xml
@@ -197,7 +197,7 @@
         <testng.version>7.0.0</testng.version>
         <tinkerpop.version>3.7.5</tinkerpop.version>
         <woodstox-core.version>5.0.3</woodstox-core.version>
-        <zookeeper.version>3.9.2</zookeeper.version>
+        <zookeeper.version>3.8.6</zookeeper.version>
     </properties>
 
     <dependencyManagement>