diff --git a/backend/pom.xml b/backend/pom.xml
old mode 100755
new mode 100644
index 6c77441..9f418d6
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -11,7 +11,7 @@
     <packaging>jar</packaging>
 
     <properties>
-        <jackson.version>2.9.5</jackson.version>
+        <jackson.version>2.12.6.1</jackson.version>
         <spark.version>2.7.2</spark.version>
     </properties>