Updates dependency

sagikazarmark · sagikazarmark · commit c8f11f16716c · 2015-05-18T07:58:14.000+02:00
diff --git a/composer.json b/composer.json
@@ -15,7 +15,7 @@
         "phpunit/phpunit": "~4.4"
     },
     "require-dev": {
-        "php-http/adapter-core": "dev-contract_changes"
+        "php-http/adapter-core": "dev-internal_separation"
     },
     "autoload": {
         "psr-4": {
