diff --git a/package-lock.json b/package-lock.json
index ac1102e..0e2481d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,6 @@
 		"": {
 			"name": "sealious-app",
 			"version": "0.1.0",
-			"hasInstallScript": true,
 			"license": "ISC",
 			"dependencies": {
 				"@babel/core": "^7.12.10",
diff --git a/package.json b/package.json
index bacbeaa..540aedc 100644
--- a/package.json
+++ b/package.json
@@ -15,11 +15,10 @@
 		"postbuild": "npm run typecheck && npm run lint",
 		"watch": "multiple-scripts-tmux -p watch",
 		"reset-db": "docker-compose down && docker-compose up -d",
-		"install-test-deps": "npx playwright install firefox",
-		"postinstall": "npm run install-test-deps",
+		"install-test-deps": "npx playwright install firefox && cd webhint && npm install",
 		"pretest": "npm run build && docker-compose up -d",
 		"test": "node test.cjs",
-		"prepare": "npm run build",
+		"prepare": "npm run build && npm run install-test-deps",
 		"lint": "eslint src",
 		"preinstrument": "npm run build && rm -fr .xunit coverage dist-instrumented",
 		"instrument": "npx nyc instrument --exclude \"\" dist dist-instrumented",