diff --git a/composer.json b/composer.json
index bc43800..15078a0 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
   "require-dev": {
     "ext-json": "*",
     "adriansuter/php-autoload-override": "^1.4",
-    "http-interop/http-factory-tests": "^0.9.0",
+    "http-interop/http-factory-tests": "^1.1.0",
     "php-http/psr7-integration-tests": "1.3.0",
     "phpspec/prophecy": "^1.17",
     "phpspec/prophecy-phpunit": "^2.0",