diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 2b6734f55..c8686ba8c
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
 
         <io.akka.version>2.1.0</io.akka.version>
 
-        <org.springframework.version>3.1.2.RELEASE</org.springframework.version>
+        <org.springframework.version>5.2.20.RELEASE</org.springframework.version>
         <org.springframework.security.version>3.1.2.RELEASE</org.springframework.security.version>
 
         <org.eclipse.jetty.version>8.1.9.v20130131</org.eclipse.jetty.version>