diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index fe3aeb9c..a967c0e2
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
     <description/>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.version>4.3.7.RELEASE</spring.version>
+        <spring.version>5.3.18</spring.version>
         <spring-security.version>4.1.0.RELEASE</spring-security.version>
         <mybatis.version>3.1.1</mybatis.version>
         <mybatisspring.version>1.1.1</mybatisspring.version>