diff --git a/requirements.txt b/requirements.txt
index 50febfa..27d4b5e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 backports-abc==0.5
 backports.ssl-match-hostname==3.5.0.1
-certifi==2017.4.17
+certifi==2022.12.7
 chardet==3.0.4
 docopt==0.6.2
 docutils==0.12