diff --git a/server/pom.xml b/server/pom.xml
old mode 100755
new mode 100644
index 6a29b8a..47e998c
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -124,7 +124,7 @@
 		<dependency>
 			<groupId>com.google.code.gson</groupId>
 			<artifactId>gson</artifactId>
-			<version>2.8.5</version>
+			<version>2.8.9</version>
 		</dependency>
 		<dependency>
 			<groupId>junit</groupId>