diff --git a/composer.json b/composer.json
index c61579c8..c568b403 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
     },
     "require": {
         "php": "^8.2",
-        "google/protobuf": "^4.0",
+        "google/protobuf": "^5.0",
         "friendsofphp/php-cs-fixer": "^3",
         "symfony/yaml": "^5.2",
         "microsoft/tolerant-php-parser": "^0.1.2",