diff --git a/pom.xml b/pom.xml
index ab1618fb..0c5c802f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -105,7 +105,7 @@
         <log4j.version>2.15.0</log4j.version>
         <slf4j.version>1.7.25</slf4j.version>
         <commons.io.version>2.6</commons.io.version>
-        <gson.version>2.8.5</gson.version>
+        <gson.version>2.8.9</gson.version>
         <!--unit test-->
         <junit.version>4.12</junit.version>
         <mockito.version>2.22.0</mockito.version>