diff --git a/loop/migration.py b/loop/migration.py
index 2d6e5c2..dde89d1 100644
--- a/loop/migration.py
+++ b/loop/migration.py
@@ -7,3 +7,4 @@ def migrate(trackers, events):
     if trackers is not None:
         habit_migrator.create_habits(db, trackers)
     db.commit()
+    db.close()