diff --git a/mio-parent/pom.xml b/mio-parent/pom.xml
index 3966c70..5d6e4b3 100644
--- a/mio-parent/pom.xml
+++ b/mio-parent/pom.xml
@@ -15,7 +15,7 @@
     <!-- 集中定义依赖版本号 -->
     <properties>
         <junit.version>4.12</junit.version>
-        <spring.version>4.3.7.RELEASE</spring.version>
+        <spring.version>5.2.20.RELEASE</spring.version>
         <mybatis.version>3.4.2</mybatis.version>
         <mybatis.spring.version>1.3.0</mybatis.spring.version>
         <mybatis.paginator.version>1.2.16</mybatis.paginator.version>