diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 6795fd6..70c66ac
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ astor==0.8.0
 attrs==19.3.0
 backcall==0.1.0
 bleach==3.1.4
-certifi==2020.4.5.1
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 decorator==4.4.2