diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index f8d67aac..d32cef98
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ billiard==3.3.0.23
 boto==2.38.0
 cached-property==1.3.0
 celery[redis]==3.1.18
-certifi==2017.4.17
+certifi==2022.12.7
 cffi==1.12.3
 cryptography==2.5
 decorator==4.0.11