diff --git a/tools/gremlin101/pom.xml b/tools/gremlin101/pom.xml
old mode 100755
new mode 100644
index 9040631..28e5885
--- a/tools/gremlin101/pom.xml
+++ b/tools/gremlin101/pom.xml
@@ -57,7 +57,7 @@
       <dependency>
           <groupId>com.google.code.gson</groupId>
           <artifactId>gson</artifactId>
-          <version>1.7.1</version>
+          <version>2.8.9</version>
       </dependency>
       <dependency>
           <groupId>net.fortytwo.sesametools</groupId>