diff --git a/biscuit/apps/chronos/migrations/0003_auto_20190907_1419.py b/biscuit/apps/chronos/migrations/0003_substitution_cancelled_or_subject.py similarity index 100% rename from biscuit/apps/chronos/migrations/0003_auto_20190907_1419.py rename to biscuit/apps/chronos/migrations/0003_substitution_cancelled_or_subject.py