diff --git a/coupon-service/pom.xml b/coupon-service/pom.xml
index 00de52d..183201b 100644
--- a/coupon-service/pom.xml
+++ b/coupon-service/pom.xml
@@ -51,7 +51,7 @@
 		<dependency>
 			<groupId>org.apache.zookeeper</groupId>
 			<artifactId>zookeeper</artifactId>
-			<version>3.4.10</version>
+			<version>3.4.14</version>
 			<exclusions>
 				<exclusion>
 					<groupId>org.slf4j</groupId>