diff --git a/netty-4.1/pom.xml b/netty-4.1/pom.xml
index 7b0accc..e4fffaa 100644
--- a/netty-4.1/pom.xml
+++ b/netty-4.1/pom.xml
@@ -632,7 +632,7 @@
       <dependency>
         <groupId>com.google.code.gson</groupId>
         <artifactId>gson</artifactId>
-        <version>2.7</version>
+        <version>2.8.9</version>
         <scope>test</scope>
       </dependency>