diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 50cf6a4..d9ec7d7
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
 
     <properties>
         <junit.version>4.12</junit.version>
-        <spring.version>5.0.7.RELEASE</spring.version>
+        <spring.version>5.2.22.RELEASE</spring.version>
         <mysql.jdbc.version>5.1.34</mysql.jdbc.version>
         <mybatis.version>3.4.1</mybatis.version>
         <commons-beanutils.version>1.8.3</commons-beanutils.version>