diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 665dafdc..ad12022a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
+          ini-values: error_reporting=E_ALL
           tools: composer:v2
           coverage: pcov