diff --git a/requirements.txt b/requirements.txt
index 9c1d30b01c0..b7295f7a43a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ tqdm==4.28.1
 # Python markdown extensions for comment emails
 git+https://github.com/CenterForOpenScience/mdx_del_ins.git
 
-certifi==2020.12.5
+certifi==2022.12.7
 sendgrid==1.5.13
 
 requests>=2.21.0