diff --git a/requirements.txt b/requirements.txt
index fb8b09c..4d01a36 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ appnope==0.1.0
 attrs==19.3.0
 backcall==0.2.0
 bleach==3.1.5
-certifi==2020.6.20
+certifi==2022.12.7
 chardet==3.0.4
 cvxpy==1.1.1
 cycler==0.10.0