diff --git a/backend/requirements.txt b/backend/requirements.txt
index 7451f13..1ab7382 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,6 +1,6 @@
 # virtualenv .env && source .env/bin/activate && pip install -r requirements.txt
 
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 Flask==1.0.2