diff --git a/tsp/pom.xml b/tsp/pom.xml
old mode 100755
new mode 100644
index b444eea..c2793db
--- a/tsp/pom.xml
+++ b/tsp/pom.xml
@@ -101,7 +101,7 @@
 		<dependency>
 		    <groupId>com.google.code.gson</groupId>
 		    <artifactId>gson</artifactId>
-		    <version>2.8.0</version>
+		    <version>2.8.9</version>
 		</dependency>
 		<dependency>
 		    <groupId>commons-cli</groupId>