diff --git a/packages/bbui/rollup.config.js b/packages/bbui/rollup.config.js
index 5a17116b77..92b316cbe1 100644
--- a/packages/bbui/rollup.config.js
+++ b/packages/bbui/rollup.config.js
@@ -120,6 +120,7 @@ const configs = {
         extensions: [".svelte"],
         emitCss: true,
       }),
+      postcss(),
       copy({
         targets: [
           {