diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index c4e4443..87678e7
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ bcrypt==3.1.3
 beautifulsoup4==4.6.0
 billiard==3.3.0.23
 celery==3.1.26.post2
-certifi==2017.7.27.1
+certifi==2022.12.7
 cffi==1.9.1
 chardet==3.0.4
 chargebee==2.3.7