diff --git a/java-jwt-user-authentication-mongodb/pom.xml b/java-jwt-user-authentication-mongodb/pom.xml
index e690ef0..e35efaa 100644
--- a/java-jwt-user-authentication-mongodb/pom.xml
+++ b/java-jwt-user-authentication-mongodb/pom.xml
@@ -45,7 +45,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.8.5</version>
+      <version>2.8.9</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/javax.ws.rs/javax.ws.rs-api -->
     <dependency>