diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a6cb491a5d..9a962f23b3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -57,7 +57,7 @@ jobs:
             -   name: Configure composer
                 run: |
                     ([ -d ~/.composer ] || mkdir ~/.composer) && cp .github/composer-config.json ~/.composer/config.json
-                    SYMFONY_VERSION=$(cat composer.json | grep '^ *\"version\". *\"[1-9]' | grep -o '[0-9.]*[0-9]')
+                    SYMFONY_VERSION=$(cat composer.json | grep '^ *\"branch-version\". *\"[1-9]' | grep -o '[0-9.]*')
                     echo "::set-env name=SYMFONY_VERSION::$SYMFONY_VERSION"
                     echo "::set-env name=COMPOSER_ROOT_VERSION::$SYMFONY_VERSION.x-dev"