diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index aa2c2f90..28bf31b3
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
 	<properties>
 		<!-- versions -->
 		
-		<spring.version>5.0.7.RELEASE</spring.version>
+		<spring.version>5.2.20.RELEASE</spring.version>
 		<junit.version>4.12</junit.version>
 		<log4j.version>1.2.17</log4j.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>