diff --git a/package.json b/package.json
index 93c044a..b632a2a 100644
--- a/package.json
+++ b/package.json
@@ -15,9 +15,9 @@
 	},
 	"scripts": {
 		"lint": "tslint --format stylish --project .",
-		"build": "tsc",
+		"build": "del dist && tsc",
 		"test": "npm run lint && npm run build && ava dist/tests",
-		"prepublish": "npm run build && del dist/tests"
+		"prepublish": "npm run build"
 	},
 	"files": [
 		"dist"
@@ -48,7 +48,7 @@
 	},
 	"devDependencies": {
 		"@types/jsdom": "^11.0.4",
-		"@types/node": "^9.6.0",
+		"@types/node": "^10.1.2",
 		"@types/tempy": "^0.1.0",
 		"@types/zen-observable": "^0.5.3",
 		"ava": "*",
@@ -57,7 +57,7 @@
 		"rxjs": "^6.0.0",
 		"tempy": "^0.2.1",
 		"tslint": "^5.9.1",
-		"tslint-xo": "^0.7.0",
+		"tslint-xo": "^0.8.0",
 		"typescript": "^2.8.1",
 		"zen-observable": "^0.8.8"
 	},