diff --git a/composer.json b/composer.json
index d3e79640b..77c31b7ba 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "The Roundcube Webmail suite",
     "license": "GPL-3.0-or-later",
     "require": {
-        "php": ">=8.1 <8.5",
+        "php": ">=8.1 <8.6",
         "bacon/bacon-qr-code": "^3.0.0",
         "guzzlehttp/guzzle": "^7.10.0",
         "guzzlehttp/promises": "^2.0",