diff --git a/composer.json b/composer.json
index c4df1a2..bb41759 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
   "type": "contao-bundle",
   "license": "proprietary",
   "require": {
-    "php": "^8.4",
+    "php": "^8.3",
     "contao/core-bundle": "^5.7",
     "contao/calendar-bundle": "^5.7",
     "contao/manager-plugin": "^2.0",