diff --git a/requirements.txt b/requirements.txt
index 7dccf5c..c603723 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 atomicwrites==1.3.0
 attrs==19.1.0
 Babel==2.9.1
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 docutils==0.14
 entrypoints==0.3