diff --git a/Playground/session-demo2/pom.xml b/Playground/session-demo2/pom.xml
index e0a334e..794d534 100644
--- a/Playground/session-demo2/pom.xml
+++ b/Playground/session-demo2/pom.xml
@@ -30,7 +30,7 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-webmvc</artifactId>
-			<version>5.0.5.RELEASE</version>
+			<version>5.2.20.RELEASE</version>
 		</dependency>
 
 		<!-- https://mvnrepository.com/artifact/jstl/jstl -->