diff --git a/1.x/Chapter9-2-2/consumer/pom.xml b/1.x/Chapter9-2-2/consumer/pom.xml
index e3630d29..7a3c50fc 100644
--- a/1.x/Chapter9-2-2/consumer/pom.xml
+++ b/1.x/Chapter9-2-2/consumer/pom.xml
@@ -62,7 +62,7 @@
 		<dependency>
 			<groupId>org.apache.zookeeper</groupId>
 			<artifactId>zookeeper</artifactId>
-			<version>3.4.6</version>
+			<version>3.4.14</version>
 			<exclusions>
 				<exclusion>
 					<groupId>org.slf4j</groupId>