diff --git a/README.md b/README.md
index 39ebc15..7a9cc02 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Usage
 
 ```js
 var Address = require('btc-address')
-var binConv = require('binconv')
+var binConv = require('binstring')
 
 
 var hash160 = "3c176e659bea0f29a3e9bf7880c112b1b31b4dc8";
diff --git a/package.json b/package.json
index 9f68e62..29afdc4 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,8 @@
   "devDependencies": {
     "mocha": "1.*",
     "terst": "0.0.1",
-    "convert-hex": "0.1.x"
+    "convert-hex": "0.1.x",
+    "binstring": "~0.2.0"
   },
   "repository": {
     "url": "https://github.com/cryptocoinjs/btc-address",