diff --git a/hw15-messageSystem/pom.xml b/hw15-messageSystem/pom.xml
index b87cc03..a4ac5c8 100644
--- a/hw15-messageSystem/pom.xml
+++ b/hw15-messageSystem/pom.xml
@@ -117,7 +117,7 @@
     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-beans</artifactId>
-        <version>5.2.3.RELEASE</version>
+        <version>5.2.20.RELEASE</version>
         <scope>compile</scope>
     </dependency>
 </dependencies>