diff --git a/services/requirements.txt b/services/requirements.txt
old mode 100755
new mode 100644
index 39f46f6e..62e3126e
--- a/services/requirements.txt
+++ b/services/requirements.txt
@@ -1,4 +1,4 @@
-Flask_Cors==3.0.6
+Flask_Cors==3.0.9
 pymongo==3.6.1
 Flask==1.0.2
 requests==2.23.0