diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index a4d4203..e5a428c
--- a/pom.xml
+++ b/pom.xml
@@ -98,7 +98,7 @@
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <project.build.sourceEncoding>US-ASCII</project.build.sourceEncoding>
-        <springframework.version>3.2.18.RELEASE</springframework.version>
+        <springframework.version>5.2.20.RELEASE</springframework.version>
         <thymeleaf.version>2.1.5.RELEASE</thymeleaf.version>
     </properties>