diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 40886f0..6549d1c
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.9.11
+certifi==2022.12.7
 Django==2.2.7
 dj-database-url==0.5.0
 django-heroku==0.3.1