diff --git a/ioc1/pom.xml b/ioc1/pom.xml
index f15a434..21ea5cb 100644
--- a/ioc1/pom.xml
+++ b/ioc1/pom.xml
@@ -30,7 +30,7 @@
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-beans</artifactId>
-      <version>5.2.4.RELEASE</version>
+      <version>5.2.20.RELEASE</version>
       <scope>compile</scope>
     </dependency>
     <dependency>