diff --git a/AccreteGB-src/pom.xml b/AccreteGB-src/pom.xml
old mode 100755
new mode 100644
index 3505238..8504cdf
--- a/AccreteGB-src/pom.xml
+++ b/AccreteGB-src/pom.xml
@@ -160,7 +160,7 @@
     <dependency>
     <groupId>org.springframework.security</groupId>
     <artifactId>spring-security-core</artifactId>      
-    <version>4.1.5.RELEASE</version>
+    <version>5.5.7</version>
 	</dependency>
 	<dependency>
 	    <groupId>org.springframework.security</groupId>