diff --git a/day1-RMIServer/pom.xml b/day1-RMIServer/pom.xml
index f124554..e9b0f98 100644
--- a/day1-RMIServer/pom.xml
+++ b/day1-RMIServer/pom.xml
@@ -15,7 +15,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>5.3.27</version>
+            <version>6.0.15</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>