diff --git a/chapter2/pom.xml b/chapter2/pom.xml
index cc6886c..27c6993 100644
--- a/chapter2/pom.xml
+++ b/chapter2/pom.xml
@@ -107,7 +107,7 @@
 
     <properties>
         <file.encoding>UTF-8</file.encoding>
-        <spring.version>4.2.2.RELEASE</spring.version>
+        <spring.version>5.2.20.RELEASE</spring.version>
         <mysql.version>5.1.29</mysql.version>
         <servlet.version>3.0-alpha-1</servlet.version>
         <aspectj.version>1.8.1</aspectj.version>