diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 56edc4a..da83f7a
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
 		<java.version>1.8</java.version>
 		<springfox.version>2.6.1</springfox.version>
 		<slf4j>1.7.25</slf4j>
-		<jackson>2.11.2</jackson>
+		<jackson>2.12.7.1</jackson>
 
 		<exec.mainClass>com.haleywang.monitor.App</exec.mainClass>
 	</properties>