diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 19b7a39..bb0ff83
--- a/pom.xml
+++ b/pom.xml
@@ -59,7 +59,7 @@
       <dependency>
           <groupId>com.google.code.gson</groupId>
           <artifactId>gson</artifactId>
-          <version>2.8.5</version>
+          <version>2.8.9</version>
       </dependency>
       <dependency>
           <groupId>org.glassfish.jersey.media</groupId>