diff --git a/README.md b/README.md
index d3bcaf9..31cc1ba 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 Run ```php composer.phar require denpa/php-bitapi``` in your project directory or add following lines to composer.json
 ```javascript
 "require": {
-	"denpa/php-bitapi": "~1.0"
+	"denpa/php-bitapi": "^1.0"
 }
 ```
 and run ```php composer.phar update```.