diff --git a/spring-boot2-study/spring-boot2-parent/pom.xml b/spring-boot2-study/spring-boot2-parent/pom.xml
old mode 100755
new mode 100644
index 032882c..d763087
--- a/spring-boot2-study/spring-boot2-parent/pom.xml
+++ b/spring-boot2-study/spring-boot2-parent/pom.xml
@@ -142,7 +142,7 @@
 			<dependency>
 				<groupId>org.apache.zookeeper</groupId>
 				<artifactId>zookeeper</artifactId>
-				<version>3.4.6</version>
+				<version>3.4.14</version>
 			</dependency>
 			<dependency>
 				<groupId>com.github.sgroschupf</groupId>