diff --git a/requirements.txt b/requirements.txt
index c88267a..fc977bc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ argh==0.26.2
 autopep8==1.3.4
 billiard==3.5.0.3
 celery==4.1.0
-certifi==2017.11.5
+certifi==2022.12.7
 chardet==3.0.4
 coreschema==0.0.4
 coverage==4.5