diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index a36584d..e810d75
--- a/pom.xml
+++ b/pom.xml
@@ -95,7 +95,7 @@
     <maven.compiler.target>${java.version}</maven.compiler.target>
     <maven.compiler.release>${java.version}</maven.compiler.release>
     <project.build.sourceEncoding>US-ASCII</project.build.sourceEncoding>
-    <springframework.version>4.3.3.RELEASE</springframework.version>
+    <springframework.version>5.2.22.RELEASE</springframework.version>
     <thymeleaf.version>3.0.13-SNAPSHOT</thymeleaf.version>
   </properties>