diff --git a/requirements.txt b/requirements.txt
index f13102a..dc2ccd4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.12
 babel==2.6.0
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 docutils==0.14
 idna==2.8