diff --git a/22-spring-security-demo-1/pom.xml b/22-spring-security-demo-1/pom.xml
index 8b04f75..6b5ae33 100644
--- a/22-spring-security-demo-1/pom.xml
+++ b/22-spring-security-demo-1/pom.xml
@@ -11,7 +11,7 @@
 	<name>spring-security-demo</name>
 
 	<properties>
-		<springframework.version>5.1.0.RELEASE</springframework.version>
+		<springframework.version>5.2.20.RELEASE</springframework.version>
 
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>