diff --git "a/study-notes/j2ee-collection/architecture/01-\351\241\271\347\233\256\345\256\236\346\210\230/03-CRM/pom.xml" "b/study-notes/j2ee-collection/architecture/01-\351\241\271\347\233\256\345\256\236\346\210\230/03-CRM/pom.xml"
index 67b8929f8..2ed2a8ca2 100644
--- "a/study-notes/j2ee-collection/architecture/01-\351\241\271\347\233\256\345\256\236\346\210\230/03-CRM/pom.xml"
+++ "b/study-notes/j2ee-collection/architecture/01-\351\241\271\347\233\256\345\256\236\346\210\230/03-CRM/pom.xml"
@@ -11,7 +11,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.version>5.0.8.RELEASE</spring.version>
+        <spring.version>5.2.20.RELEASE</spring.version>
         <shiro.version>1.3.2</shiro.version>
         <mybatis.version>3.4.5</mybatis.version>
     </properties>