diff --git a/quartz-demo/pom.xml b/quartz-demo/pom.xml
index dbb4443..4811c90 100644
--- a/quartz-demo/pom.xml
+++ b/quartz-demo/pom.xml
@@ -76,7 +76,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-expression</artifactId>
-            <version>4.3.7.RELEASE</version>
+            <version>5.2.21.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>