diff --git a/scripts/dev.js b/scripts/dev.js
index c5dbb7b35..034ea97a7 100644
--- a/scripts/dev.js
+++ b/scripts/dev.js
@@ -7,6 +7,12 @@ const execa = require('execa');
 		stderr: process.stderr,
 	});
 
+	await execa('npm', ['run', 'build'], {
+		cwd: __dirname + '/../packages/foundkey-js',
+		stdout: process.stdout,
+		stderr: process.stderr,
+	});
+
 	execa('npx', ['gulp', 'watch'], {
 		cwd: __dirname + '/../',
 		stdout: process.stdout,