diff --git a/packages/expressions/vite.config.js b/packages/expressions/vite.config.js
index 13f9e9ae7..a4961e27f 100644
--- a/packages/expressions/vite.config.js
+++ b/packages/expressions/vite.config.js
@@ -4,6 +4,7 @@ import { defineConfig } from 'vite'
 
 export default defineConfig({
   build: {
+    sourcemap: true,
     lib: {
       entry: resolve(__dirname, 'lib/index.js'),
       name: '@flippercloud.io/expressions'