diff --git a/README.md b/README.md
index 26fe589..419124d 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,12 @@ Seamless integration between [Rollup](https://github.com/rollup/rollup) and [Pos
 
 ## Install
 
+```bash
+npm install postcss rollup-plugin-postcss --dev
+```
+
+or
+
 ```bash
 yarn add postcss rollup-plugin-postcss --dev
 ```