diff --git a/package.json b/package.json
index 049b90a..5137458 100644
--- a/package.json
+++ b/package.json
@@ -59,11 +59,11 @@
     "livereload": "^0.9.3",
     "rollup": "^2.79.1",
     "rollup-plugin-babel": "^4.4.0",
-    "rollup-plugin-css": "^1.0.10",
+    "rollup-plugin-css": "^1.0.0",
     "rollup-plugin-postcss": "^4.0.2",
     "rollup-plugin-typescript": "^1.0.1",
     "rollup-plugin-typescript2": "^0.34.1",
-    "rollup-watch": "^4.3.1",
+    "rollup-watch": "^3.2.2",
     "serve": "^14.2.0",
     "ts-loader": "^9.4.2",
     "tslib": "^2.5.0",