diff --git a/zk/zookeeper/pom.xml b/zk/zookeeper/pom.xml
old mode 100755
new mode 100644
index de06d32..2ce28fd
--- a/zk/zookeeper/pom.xml
+++ b/zk/zookeeper/pom.xml
@@ -73,7 +73,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.11.2</version>
+            <version>2.12.7.1</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>