diff --git a/requirements.txt b/requirements.txt
index 6f7a9b5ca4..e6c28ac4a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ pyotp
 qrcode[pil]
 jsonfield @ git+https://github.com/DMOJ/jsonfield.git
 pymoss
-packaging
+packaging<22
 celery
 ansi2html @ git+https://github.com/DMOJ/ansi2html.git
 sqlparse