diff --git a/requirements.txt b/requirements.txt
index 7188f9e..f3481a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 astroid==2.3.3
 attrs==19.3.0
 Babel==2.8.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 codecov==2.0.15
 coverage==5.0.1