diff --git a/AggregatorManager/pom.xml b/AggregatorManager/pom.xml
old mode 100755
new mode 100644
index 12ce65c..ff44b51
--- a/AggregatorManager/pom.xml
+++ b/AggregatorManager/pom.xml
@@ -25,7 +25,7 @@
 		<dependency>
 			<groupId>com.google.code.gson</groupId>
 			<artifactId>gson</artifactId>
-			<version>2.1</version>
+			<version>2.8.9</version>
 		</dependency>
 	</dependencies>
 	<build>