diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index cd7f6484..8c8e617f
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
        </repository>
 	</repositories>
   <properties>
-    <org.springframework.version>4.3.18.RELEASE</org.springframework.version>
+    <org.springframework.version>5.2.20.RELEASE</org.springframework.version>
     <full-artifact-name>target/${project.artifactId}.war</full-artifact-name>
   </properties>
   <dependencies>