diff --git a/zookeeper-exercise/pom.xml b/zookeeper-exercise/pom.xml
index 6fc5c71..38544e7 100644
--- a/zookeeper-exercise/pom.xml
+++ b/zookeeper-exercise/pom.xml
@@ -11,7 +11,7 @@
 		<dependency>
 			<groupId>org.apache.zookeeper</groupId>
 			<artifactId>zookeeper</artifactId>
-			<version>3.3.4</version>
+			<version>3.4.14</version>
 			<exclusions>
 				<exclusion>
 					<groupId>com.sun.jdmk</groupId>