diff --git a/package.json b/package.json
index 3abe693..0ce720d 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
 		"build": "rimraf ./dist && microbundle",
 		"dev": "microbundle watch",
 		"prepublishOnly": "npm run build",
-		"test": "jest"
+		"test": "npm run build && jest"
 	},
 	"dependencies": {
 		"readable-stream": "^3.1.1",