diff --git a/.npmignore b/.npmignore
index 8f189f28c3..818ee44588 100644
--- a/.npmignore
+++ b/.npmignore
@@ -18,6 +18,7 @@ webpack.config.js
 #typescript sources
 *.ts
 *.js.map
+!/bundles/*.js.map
 !*.d.ts
 /components/**/*.ts
 !/components/**/*.d.ts