diff --git a/hbase094xreader/pom.xml b/hbase094xreader/pom.xml
index d996ba1a..d181f81e 100644
--- a/hbase094xreader/pom.xml
+++ b/hbase094xreader/pom.xml
@@ -54,7 +54,7 @@
         <dependency>
             <groupId>org.apache.zookeeper</groupId>
             <artifactId>zookeeper</artifactId>
-            <version>3.3.2</version>
+            <version>3.5.5</version>
         </dependency>
 
 
diff --git a/hbase094xwriter/pom.xml b/hbase094xwriter/pom.xml
index 47e6db4c..070d2905 100644
--- a/hbase094xwriter/pom.xml
+++ b/hbase094xwriter/pom.xml
@@ -57,7 +57,7 @@
         <dependency>
             <groupId>org.apache.zookeeper</groupId>
             <artifactId>zookeeper</artifactId>
-            <version>3.3.2</version>
+            <version>3.5.5</version>
         </dependency>
         <dependency>
             <groupId>commons-codec</groupId>