diff --git a/requirements.txt b/requirements.txt
index f0648a4..e1b9434 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Babel==2.4.0
 billiard==3.5.0.2
 blinker==1.4
 celery==4.0.2
-certifi==2017.4.17
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 CommonMark==0.5.4