diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index c9c72e7..e82173b
--- a/pom.xml
+++ b/pom.xml
@@ -131,7 +131,7 @@
 		<dependency>
 			<groupId>com.google.code.gson</groupId>
 			<artifactId>gson</artifactId>
-			<version>2.2.4</version>
+			<version>2.8.9</version>
 		</dependency>
 		<dependency>
 			<groupId>me.tongfei</groupId>