diff --git a/requirements.txt b/requirements.txt
index 4920504..4a7a89b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ astor==0.8.0
 attrs==19.1.0
 backcall==0.1.0
 bleach
-certifi==2019.6.16
+certifi==2022.12.7
 cycler==0.10.0
 decorator==4.4.0
 defusedxml==0.6.0