diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index cae37f55..9f7e4b58
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ billiard==3.5.0.3
 cairocffi==1.0.2
 CairoSVG==2.4.1
 celery==4.2.0
-certifi==2017.7.27.1
+certifi==2022.12.7
 cffi==1.12.3
 chardet==3.0.4
 codicefiscale==0.9