diff --git a/example/pom.xml b/example/pom.xml
index f727f2c53e71..1cafedfeb489 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -31,7 +31,7 @@
     <artifactId>iotdb-examples</artifactId>
     <name>IoTDB Examples</name>
     <properties>
-        <zookeeper.version>3.4.6</zookeeper.version>
+        <zookeeper.version>3.4.14</zookeeper.version>
     </properties>
     <modules>
         <module>kafka</module>
diff --git a/pom.xml b/pom.xml
index 48a7bd965832..57dcced1c032 100644
--- a/pom.xml
+++ b/pom.xml
@@ -505,7 +505,7 @@
             <dependency>
                 <groupId>org.apache.zookeeper</groupId>
                 <artifactId>zookeeper</artifactId>
-                <version>3.4.9</version>
+                <version>3.4.14</version>
             </dependency>
             <dependency>
                 <groupId>commons-beanutils</groupId>