diff --git a/composer.json b/composer.json
index 98cdad3..a45e28b 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "source": "https://github.com/rasuvaeff/specification"
     },
     "require": {
-        "php": "8.1 - 8.5",
+        "php": "8.3 - 8.5",
         "ext-mbstring": "*",
         "yiisoft/db": "^2.0.1"
     },