diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e9e0418..0cc56f5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -51,6 +51,7 @@ jobs:
             -   name: Restrict Symfony version
                 if: matrix.symfony != ''
                 run: |
+                    composer global config --no-plugins allow-plugins.symfony/flex true
                     composer global require --no-progress --no-scripts --no-plugins "symfony/flex:^1.17"
                     composer config extra.symfony.require "${{ matrix.symfony }}"
 
diff --git a/composer.json b/composer.json
index c9a85e9..bcf5a0e 100644
--- a/composer.json
+++ b/composer.json
@@ -23,6 +23,12 @@
         "phpunit/phpunit": "^9.5",
         "vimeo/psalm": "^4.23"
     },
+    "config": {
+        "allow-plugins": {
+            "symfony/flex": true,
+            "infection/extension-installer": true
+        }
+    },
     "autoload": {
         "psr-4": {
             "SyliusLabs\\DoctrineMigrationsExtraBundle\\": "src/"