diff --git a/requirements.txt b/requirements.txt
index c140b3e..cbfada7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ aiohttp-session==2.9.0
 async-timeout==3.0.1
 attrs==20.3.0
 Authlib==0.15.3
-cffi==1.14.5
+cffi==1.15.0
 chardet==4.0.0
 gunicorn==20.1.0
 cryptography==3.4.7