diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 2a74b56..dcc3c24
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <springframework.version>4.2.4.RELEASE</springframework.version>
+        <springframework.version>5.2.22.RELEASE</springframework.version>
         <springsecurity.version>4.2.4.RELEASE</springsecurity.version>
         <springsecurityoauth2.version>2.0.10.RELEASE</springsecurityoauth2.version>
         <jackson.library>2.7.5</jackson.library>