diff --git a/pom.xml b/pom.xml
index 7fa06c9..8cdd368 100644
--- a/pom.xml
+++ b/pom.xml
@@ -73,7 +73,7 @@
             <dependency>
                 <groupId>org.apache.zookeeper</groupId>
                 <artifactId>zookeeper</artifactId>
-                <version>3.5.5</version>
+                <version>3.7.2</version>
                 <exclusions>
                     <exclusion>
                         <groupId>org.slf4j</groupId>