diff --git a/requirements.txt b/requirements.txt
index 0f5ddd8..6338ddd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ attrs==19.3.0
 backcall==0.1.0
 bleach==3.3.0
 cachetools==3.1.1
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 cvxpy==1.0.25
 cycler==0.10.0