diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 5eb6e33..8d617f6
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
 	<dependency>
 	    <groupId>org.springframework</groupId>
 	    <artifactId>spring-webmvc</artifactId>
-	    <version>5.0.8.RELEASE</version>
+	    <version>5.2.20.RELEASE</version>
 	</dependency>
 	
 	<!-- https://mvnrepository.com/artifact/org.springframework/spring-web -->