diff --git a/requirements.txt b/requirements.txt
index cd05c1d..71c0e76 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ appnope==0.1.0
 astor==0.8.1
 backcall==0.1.0
 cachetools==4.0.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 decorator==4.4.1