diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 1b043b2..b7762ec
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.6</version>
+            <version>2.8.9</version>
             <scope>test</scope>
         </dependency>
         <dependency>