diff --git a/pom.xml b/pom.xml
index 510e7db..9497fb1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <curator.version>4.0.1</curator.version>
         <curator.test.version>2.12.0</curator.test.version>
-        <zookeeper.version>3.4.8</zookeeper.version>
+        <zookeeper.version>3.5.5</zookeeper.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
     </properties>