diff --git a/requirements.txt b/requirements.txt
index 4d63a57..f3b272c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ astunparse==1.6.3
 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
 colour==0.1.5
 cycler==0.10.0