diff --git a/requirements.txt b/requirements.txt
index 3f66785..773ae50 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.10
 Babel==2.6.0
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 CommonMark==0.5.4