diff --git a/composer.json b/composer.json
index 242e5bb86d..24dab77d1d 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
         "phpdocumentor/type-resolver": "^1.4",
         "psr/container": "^1.1 || ^2",
         "psr/http-factory": "^1",
-        "psr/http-message": "^1.0.1",
+        "psr/http-message": "^1.0.1 || ^2.0",
         "psr/http-server-handler": "^1",
         "psr/http-server-middleware": "^1",
         "psr/simple-cache": "^1.0.1 || ^2 || ^3",