diff --git a/requirements.txt b/requirements.txt
index c2c6f9f..2ab14ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Babel==2.3.4
 backports-abc==0.4
 backports.shutil-get-terminal-size==1.0.0
 backports.ssl-match-hostname==3.5.0.1
-certifi==2016.2.28
+certifi==2022.12.7
 chardet==2.0.1
 click==6.6
 climate==0.4.6