diff --git a/package/package.json b/package/package.json
index dc9faabf..3a7b2aa8 100644
--- a/package/package.json
+++ b/package/package.json
@@ -27,7 +27,7 @@
     "pretest": "yarn build",
     "test": "yarn --cwd .. test",
     "lint": "eslint --ext \".ts,.tsx\" -c .eslintrc.js --fix ./dist",
-    "theme": "postcss src/theme-default.css -o dist/theme-default.css",
+    "theme": "postcss src/style.css -o dist/style.css && postcss src/theme-default.css -o dist/theme-default.css",
     "prepare": "ts-patch install -s",
     "prepublish": "shx cp ../README.md .",
     "postpublish": "shx rm README.md"