diff --git a/packages/backend/package.json b/packages/backend/package.json
index e6999aafb3..90c0da934d 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -16,14 +16,14 @@
 		"revert": "pnpm typeorm migration:revert -d ormconfig.js",
 		"check:connect": "node ./scripts/check_connect.js",
 		"build": "swc src -d built -D --strip-leading-paths",
+		"build:pre": "pnpm run --filter megalodon build && pnpm run --filter misskey-js build && pnpm run --filter misskey-reversi build && pnpm run --filter misskey-bubble-game build && pnpm run -w build-assets",
 		"build:test": "swc test-server -d built-test -D --config-file test-server/.swcrc --strip-leading-paths",
-		"watch:swc": "swc src -d built -D -w --strip-leading-paths",
 		"build:tsc": "tsc -p tsconfig.backend.json && tsc-alias -p tsconfig.backend.json",
-		"watch": "node ./scripts/watch.mjs",
+		"watch": "pnpm run build:pre && node ./scripts/watch.mjs",
 		"restart": "pnpm build && pnpm start",
-		"dev": "node ./scripts/dev.mjs",
-		"typecheck-all": "pnpm --filter megalodon build && pnpm run --no-bail typecheck:scripts && pnpm run --no-bail typecheck:backend && pnpm run --no-bail typecheck:frontend && pnpm run --no-bail typecheck:backend:web && pnpm run --no-bail typecheck:test && pnpm run --no-bail typecheck:test-federation && pnpm run --no-bail typecheck:test-server",
-		"typecheck": "pnpm --filter megalodon build && pnpm run typecheck:scripts && pnpm run typecheck:backend && pnpm run typecheck:frontend && pnpm run typecheck:test && pnpm run typecheck:test-federation && pnpm run typecheck:test-server",
+		"dev": "pnpm run build:pre && node ./scripts/dev.mjs",
+		"typecheck-all": "pnpm run --no-bail build:pre && pnpm run --no-bail typecheck:scripts && pnpm run --no-bail typecheck:backend && pnpm run --no-bail typecheck:frontend && pnpm run --no-bail typecheck:backend:web && pnpm run --no-bail typecheck:test && pnpm run --no-bail typecheck:test-federation && pnpm run --no-bail typecheck:test-server",
+		"typecheck": "pnpm run build:pre && pnpm run typecheck:scripts && pnpm run typecheck:backend && pnpm run typecheck:frontend && pnpm run typecheck:test && pnpm run typecheck:test-federation && pnpm run typecheck:test-server",
 		"typecheck:scripts": "tsc -p tsconfig.scripts.json --noEmit",
 		"typecheck:backend": "tsc -p tsconfig.backend.json --noEmit",
 		"typecheck:frontend": "tsc -p tsconfig.frontend.json --noEmit",
@@ -44,10 +44,10 @@
 		"jest-and-coverage:e2e": "cross-env NODE_ENV=test node ./jest.js --coverage --forceExit --config jest.config.e2e.ts",
 		"jest-clear": "cross-env NODE_ENV=test node ./jest.js --clearCache",
 		"test": "pnpm jest",
-		"test:e2e": "pnpm build && pnpm build:test && pnpm jest:e2e",
-		"test:fed": "pnpm jest:fed",
-		"test-and-coverage": "pnpm jest-and-coverage",
-		"test-and-coverage:e2e": "pnpm build && pnpm build:test && pnpm jest-and-coverage:e2e",
+		"test:e2e": "pnpm run build && pnpm run build:test && pnpm run jest:e2e",
+		"test:fed": "pnpm run build && pnpm run build:test && pnpm run jest:fed",
+		"test-and-coverage": "pnpm run build && pnpm run build:test && pnpm run jest-and-coverage",
+		"test-and-coverage:e2e": "pnpm run build && pnpm run build:test && pnpm run jest-and-coverage:e2e",
 		"generate-api-json": "node ./scripts/generate_api_json.js"
 	},
 	"optionalDependencies": {