diff --git a/pom.xml b/pom.xml
index cbca68587f5..29a44c0d1c7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -180,7 +180,7 @@
             <dependency>
                 <groupId>org.apache.zookeeper</groupId>
                 <artifactId>zookeeper</artifactId>
-                <version>3.8.4</version>
+                <version>3.8.6</version>
                 <exclusions>
                     <exclusion>
                         <groupId>com.sun.jmx</groupId>