diff --git a/flask/requirements.txt b/flask/requirements.txt
old mode 100755
new mode 100644
index af1556a..15bf13f
--- a/flask/requirements.txt
+++ b/flask/requirements.txt
@@ -2,7 +2,7 @@ aiohttp==3.6.3
 async-timeout==3.0.1
 attrs==20.3.0
 CacheControl==0.12.6
-certifi==2020.11.8
+certifi==2022.12.7
 chardet==3.0.4
 click==7.1.2
 Flask==1.1.2