diff --git a/composer.json b/composer.json
index cd33a41..16bf2ae 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     "psr/http-server-middleware": "^1.0",
     "psr/http-server-handler": "^1.0",
     "micheh/psr7-cache": "^0.5.0",
-    "codeinc/psr7-responses": "^1.2",
+    "codeinc/psr7-responses": "^2",
     "matthiasmullie/minify": "^1.3",
     "codeinc/media-types": "^1.0",
     "enshrined/svg-sanitize": "^0.8.2"