diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index a41a4b13..cb4ce62a
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
         <org.python.version>2.5.3</org.python.version>
         <org.slf4j.version>1.7.9</org.slf4j.version>
         <org.snmp4j.version>2.3.3</org.snmp4j.version>
-        <org.springframework.version>4.1.4.RELEASE</org.springframework.version>
+        <org.springframework.version>5.2.20.RELEASE</org.springframework.version>
     </properties>
     
     <prerequisites>