diff --git a/requirements.txt b/requirements.txt
index 0140dd9..894967f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ asgiref==3.2.5
 attrs==19.3.0
 billiard==3.6.3.0
 celery==4.4.2
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 coreapi==2.3.3
 coreschema==0.0.4