diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index d1cec8a..c876524
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 flask==1.0.2
-flask-cors==3.0.8
+flask-cors==3.0.9
 requests==2.22.0
\ No newline at end of file