diff --git a/composer.json b/composer.json
index 82ad46a..bf2448e 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "php": "^7.4 || ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0",
         "psr/http-message": "^1.1 || ^2.0",
         "slim/slim": "^4.12",
-        "symfony/polyfill-php81": "^1.29",
+        "symfony/polyfill-php81": "^1.37",
         "twig/twig": "^3.11"
     },
     "require-dev": {