diff --git a/nsc/pom.xml b/nsc/pom.xml
index 171a8b0..4be0d6f 100644
--- a/nsc/pom.xml
+++ b/nsc/pom.xml
@@ -115,7 +115,7 @@
         <dependency>
             <groupId>org.apache.zookeeper</groupId>
             <artifactId>zookeeper</artifactId>
-            <version>3.4.8</version>
+            <version>3.4.14</version>
             <exclusions>
                 <exclusion>
                     <artifactId>slf4j-log4j12</artifactId>