diff --git a/ReliableMessageSystem/MessageProducer/pom.xml b/ReliableMessageSystem/MessageProducer/pom.xml
index 3ec689a..847a215 100644
--- a/ReliableMessageSystem/MessageProducer/pom.xml
+++ b/ReliableMessageSystem/MessageProducer/pom.xml
@@ -15,7 +15,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>4.3.5.RELEASE</version>
+            <version>5.3.18</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>