diff --git a/requirements.txt b/requirements.txt
index 6bdfe97..64b9e56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ appnope==0.1.0
 backcall==0.1.0
 bleach==2.1.3
 branca==0.3.0
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 click-plugins==1.0.3