diff --git a/rollup.config.js b/rollup.config.js
index f662358..a0d063f 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -16,6 +16,9 @@ function build(filename) {
       name: 'Chirpy',
       sourcemap: !isProd
     },
+    watch: {
+      include: `${JS_SRC}/**`
+    },
     plugins: [
       babel({
         babelHelpers: 'bundled',