diff --git a/requirements.txt b/requirements.txt
index aaf4370..5a5abe1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.12
 Babel==2.7.0
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 commonmark==0.9.0
 docutils==0.15