diff --git a/packages/babel-plugin-proposal-unicode-property-regex/README.md b/packages/babel-plugin-proposal-unicode-property-regex/README.md
index 27e25df8e3..2cdd7abaec 100644
--- a/packages/babel-plugin-proposal-unicode-property-regex/README.md
+++ b/packages/babel-plugin-proposal-unicode-property-regex/README.md
@@ -9,7 +9,7 @@ Compile [Unicode property escapes](https://github.com/mathiasbynens/regexpu-core
 ## Installation
 
 ```sh
-npm install @babel/plugin-proposal-unicode-property-regex
+npm install --save-dev @babel/plugin-proposal-unicode-property-regex
 ```
 
 ## Usage