diff --git a/README.md b/README.md
index 0ba9e54..37df863 100644
--- a/README.md
+++ b/README.md
@@ -11,18 +11,27 @@ A cross-compatible [ResizeObserver](https://developer.mozilla.org/en-US/docs/Web
 
 ## 🔗 Installation
 
-Install via `yarn` (recommended):
+Install via `yarn` or `npm`:
 
 ```sh
 yarn add watch-resize
 ```
 
-Install via `npm`:
-
 ```sh
 npm install watch-resize
 ```
 
+Don't forget the `peerDependencies`:
+
+```sh
+yarn add rxjs@~6.5.2
+```
+
+```sh
+npm install rxjs@~6.5.2
+```
+
+
 ## 🛠️ Usage
 
 ```ts