diff --git a/requirements.txt b/requirements.txt
index e9b4f07..c3291ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ astroid==2.4.2
 atomicwrites==1.3.0
 attrs==19.1.0
 Babel==2.7.0
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 doc8==0.8.0
 docutils==0.14