diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index dd137bee..3e5d3e2b
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
 	<version>1.0.0</version>
 	<packaging>bundle</packaging>
 	<properties>
-		<spring.version>4.3.9.RELEASE</spring.version>
+		<spring.version>5.2.3.RELEASE</spring.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 	</properties>
 	<dependencies>