diff --git a/composer.json b/composer.json
index a8d06927a06..f982eb36dce 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         "monolog/monolog": "^3.8",
         "nikic/php-parser": "^5.3",
         "psr/container": "^2.0",
-        "psr/http-message": "^1",
+        "psr/http-message": "^2.0",
         "sebastian/diff": "^6.0",
         "sensiolabs/ansi-to-html": "^1.2",
         "silverstripe/config": "^3",