diff --git a/dmoj/settings.py b/dmoj/settings.py
index 99642da0..0b9260ba 100644
--- a/dmoj/settings.py
+++ b/dmoj/settings.py
@@ -331,6 +331,8 @@
 
 # Cookies
 SESSION_ENGINE = 'django.contrib.sessions.backends.cached_db'
+SESSION_EXPIRE_AT_BROWSER_CLOSE = False
+SESSION_COOKIE_AGE = 60 * 60 # in seconds
 
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/1.11/howto/static-files/