diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 8ce2d3fa1e..d43815ad57
--- a/pom.xml
+++ b/pom.xml
@@ -107,7 +107,7 @@
     <flink-clients_2.11.version>1.14.3</flink-clients_2.11.version>
     <flink-yarn_2.11.version>1.14.3.0</flink-yarn_2.11.version>
     <freemarker.version>2.3.29</freemarker.version>
-    <google-gson.version>2.2</google-gson.version>
+    <google-gson.version>2.8.9</google-gson.version>
     <google-guava.version>19.0</google-guava.version>
     <google-zxing-javase.version>3.0.0</google-zxing-javase.version>
     <googlecode-json-simple.version>1.1.1</googlecode-json-simple.version>