diff --git a/benten-core/pom.xml b/benten-core/pom.xml
index 8a34db6..b2f68e3 100644
--- a/benten-core/pom.xml
+++ b/benten-core/pom.xml
@@ -59,7 +59,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.2</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
             <groupId>com.github.allbegray</groupId>