diff --git a/composer.json b/composer.json
index 3d1241a47..c7f23486b 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     "license": "Apache-2.0",
     "require": {
         "php": "^8.1",
-        "google/protobuf": "^3.22 || ^4.0",
+        "google/protobuf": "^3.22 || ^4.0 || ^5.0",
         "nyholm/psr7-server": "^1.1",
         "php-http/discovery": "^1.14",
         "psr/http-client": "^1.0",