diff --git a/Back End/pom.xml b/Back End/pom.xml
old mode 100755
new mode 100644
index dd82c7338..5b76dfc3c
--- a/Back End/pom.xml	
+++ b/Back End/pom.xml	
@@ -131,7 +131,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.2</version>
+            <version>2.12.7.1</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations -->
         <dependency>