diff --git a/dmoj/settings.py b/dmoj/settings.py
index dea5179..d546ac3 100644
--- a/dmoj/settings.py
+++ b/dmoj/settings.py
@@ -9,6 +9,7 @@ https://docs.djangoproject.com/en/1.11/ref/settings/
 """
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+import datetime
 import os
 import tempfile