diff --git a/pom.xml b/pom.xml
index dba8a1a..08880e1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
     <dependency>
       <groupId>org.apache.zookeeper</groupId>
       <artifactId>zookeeper</artifactId>
-      <version>3.4.14</version>
+      <version>3.7.2</version>
     </dependency>
     <dependency>
       <groupId>net.sourceforge.argparse4j</groupId>