diff --git a/composer.json b/composer.json
index a6773e2..dcfcca2 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,7 @@
     "ext-json": "*",
     "adriansuter/php-autoload-override": "^1.4",
     "http-interop/http-factory-tests": "^0.9.0",
-    "php-http/psr7-integration-tests": "1.x-dev",
+    "php-http/psr7-integration-tests": "1.3.0",
     "phpspec/prophecy": "^1.17",
     "phpspec/prophecy-phpunit": "^2.0",
     "phpstan/phpstan": "^1.10",