diff --git a/README.md b/README.md
index e8c3831b..3f293a0c 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ official ESLint website.
 To use the JavaScript Standard Style shareable config, first run this:
 
 ```bash
-npm install eslint-config-standard eslint-plugin-standard eslint-plugin-promise
+npm install --save-dev eslint-config-standard eslint-plugin-standard eslint-plugin-promise
 ```
 
 Then, add this to your .eslintrc file: