diff --git a/migrations/0022_fix_notnull_richtext_columns.sql b/migrations/0022_fix_notnull_richtext_columns.sql
new file mode 100644
index 0000000..8586872
--- /dev/null
+++ b/migrations/0022_fix_notnull_richtext_columns.sql
@@ -0,0 +1,37 @@
+-- Migration: fix NOT NULL blocked columns from 0021 - drop constraint before type change
+
+DO $$ BEGIN
+  IF EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_name = 'dinosaur_page_why_visit_items' AND column_name = 'description'
+      AND data_type IN ('character varying', 'text')
+  ) THEN
+    ALTER TABLE "dinosaur_page_why_visit_items" ALTER COLUMN "description" DROP NOT NULL;
+    ALTER TABLE "dinosaur_page_why_visit_items" ALTER COLUMN "description" DROP DEFAULT;
+    ALTER TABLE "dinosaur_page_why_visit_items" ALTER COLUMN "description" TYPE jsonb USING NULL;
+  END IF;
+END $$;
+
+DO $$ BEGIN
+  IF EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_name = 'dyvolis_page_why_visit_items' AND column_name = 'description'
+      AND data_type IN ('character varying', 'text')
+  ) THEN
+    ALTER TABLE "dyvolis_page_why_visit_items" ALTER COLUMN "description" DROP NOT NULL;
+    ALTER TABLE "dyvolis_page_why_visit_items" ALTER COLUMN "description" DROP DEFAULT;
+    ALTER TABLE "dyvolis_page_why_visit_items" ALTER COLUMN "description" TYPE jsonb USING NULL;
+  END IF;
+END $$;
+
+DO $$ BEGIN
+  IF EXISTS (
+    SELECT 1 FROM information_schema.columns
+    WHERE table_name = 'locations_why_visit_items' AND column_name = 'description'
+      AND data_type IN ('character varying', 'text')
+  ) THEN
+    ALTER TABLE "locations_why_visit_items" ALTER COLUMN "description" DROP NOT NULL;
+    ALTER TABLE "locations_why_visit_items" ALTER COLUMN "description" DROP DEFAULT;
+    ALTER TABLE "locations_why_visit_items" ALTER COLUMN "description" TYPE jsonb USING NULL;
+  END IF;
+END $$;