diff --git a/e-commerce App/pom.xml b/e-commerce App/pom.xml
old mode 100755
new mode 100644
index 27db8aa..415dcaa
--- a/e-commerce App/pom.xml	
+++ b/e-commerce App/pom.xml	
@@ -54,7 +54,7 @@
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-core</artifactId>
-			<version>5.1.5.RELEASE</version>
+			<version>5.5.7</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>