diff --git a/p7-skill/framework/spring/springsourceexplain/iocinit/pom.xml b/p7-skill/framework/spring/springsourceexplain/iocinit/pom.xml
index 13eb02b..f7a3ec3 100644
--- a/p7-skill/framework/spring/springsourceexplain/iocinit/pom.xml
+++ b/p7-skill/framework/spring/springsourceexplain/iocinit/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>
-            <version>5.1.6.RELEASE</version>
+            <version>5.2.21.RELEASE</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file