diff --git a/requirements.txt b/requirements.txt
index eb5526e..9bed77f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ appnope==0.1.0
 attrs==19.1.0
 backcall==0.1.0
 bleach==3.1.0
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 colorlover==0.3.0
 cufflinks==0.14.6