diff --git a/package.json b/package.json
index 0a9c922..86e4b7c 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "rollup": "^2.56.3",
     "rollup-plugin-terser": "^7.0.2",
     "rollup-plugin-typescript2": "^0.31.1",
-    "typescript": "^4.3.5"
+    "typescript": "^4.3.5",
+    "rollup-plugin-import-css": "^3.0.0"
   }
 }
\ No newline at end of file