diff --git a/backend/requirements.txt b/backend/requirements.txt
index 691783f..b3436cb 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2020.11.8
+certifi==2021.5.30
 dnspython==1.16.0
 eventlet==0.31.0
 greenlet==0.4.17