diff --git a/ch12-7/ch12-7-config-server-auth-jwt/pom.xml b/ch12-7/ch12-7-config-server-auth-jwt/pom.xml
index 36e5d49f..bcd4af1e 100644
--- a/ch12-7/ch12-7-config-server-auth-jwt/pom.xml
+++ b/ch12-7/ch12-7-config-server-auth-jwt/pom.xml
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.7</version>
+            <version>2.8.9</version>
         </dependency>
     </dependencies>