diff --git a/appengine/standard/symfony-framework/composer.json b/appengine/standard/symfony-framework/composer.json
index 7ce5930dfb..636ab6b4c8 100644
--- a/appengine/standard/symfony-framework/composer.json
+++ b/appengine/standard/symfony-framework/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "php": "^7.1.3"
+        "php": "^8.0.0"
     },
     "require-dev": {
         "monolog/monolog": "^2.0",