diff --git a/ch04-mvc/pom.xml b/ch04-mvc/pom.xml
index dc7a9bd..b659662 100644
--- a/ch04-mvc/pom.xml
+++ b/ch04-mvc/pom.xml
@@ -21,7 +21,7 @@
         <jstl.version>1.2</jstl.version>
         <servlet.version>3.1.0</servlet.version>
         <!-- Spring参数 -->
-        <spring.version>4.3.7.RELEASE</spring.version>
+        <spring.version>5.2.20.RELEASE</spring.version>
         <!-- Logging参数 -->
         <logback.version>1.0.13</logback.version>
         <slf4j.version>1.7.5</slf4j.version>