diff --git a/20230218074832_require_word_part_id.down.sql b/20230218074832_require_word_part_id.down.sql
new file mode 100644
index 0000000..a532312
--- /dev/null
+++ b/20230218074832_require_word_part_id.down.sql
@@ -0,0 +1,3 @@
+BEGIN;
+ALTER TABLE words ALTER COLUMN part_id DROP NOT NULL;
+COMMIT;
diff --git a/20230218074832_require_word_part_id.up.sql b/20230218074832_require_word_part_id.up.sql
new file mode 100644
index 0000000..efdf01d
--- /dev/null
+++ b/20230218074832_require_word_part_id.up.sql
@@ -0,0 +1,3 @@
+BEGIN;
+ALTER TABLE words ALTER COLUMN part_id SET NOT NULL;
+COMMIT;