diff --git a/springboot-oauth2-authorization-server/pom.xml b/springboot-oauth2-authorization-server/pom.xml
index c56f94d..83aa6dd 100644
--- a/springboot-oauth2-authorization-server/pom.xml
+++ b/springboot-oauth2-authorization-server/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>org.springframework.security.oauth</groupId>
             <artifactId>spring-security-oauth2</artifactId>
-            <version>2.3.3.RELEASE</version>
+            <version>2.3.6.RELEASE</version>
         </dependency>
 
         <dependency>