diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e6aa29df..da8639e7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -87,7 +87,9 @@ jobs:
                 name: Restrict Symfony version
                 if: matrix.symfony != ''
                 run: |
-                    composer global require --no-progress --no-scripts --no-plugins "symfony/flex:^1.10"
+                    composer global config --no-plugins allow-plugins.symfony/flex true
+                    composer global require --no-progress --no-scripts --no-plugins "symfony/flex:1.18.5"
+                    composer config --no-plugins allow-plugins.symfony/thanks true
                     composer config extra.symfony.require "${{ matrix.symfony }}"
 
             -