diff --git a/README.md b/README.md
index 8a7ca6d..4768f12 100644
--- a/README.md
+++ b/README.md
@@ -10,10 +10,10 @@ Code size: Zero bytes - Just the typings, no implementation. Use the default eve
 ## Installation
 
 ```sh
-$ npm install typed-emitter
+$ npm install --save-dev typed-emitter
 
 # Using yarn:
-$ yarn add typed-emitter
+$ yarn add --dev typed-emitter
 ```