diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9e1062a125..57af1f9710 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -49,6 +49,7 @@ jobs:
         with:
           coverage: "none"
           php-version: "${{ matrix.php-version }}"
+          ini-file: "development"
           tools: composer:v2
       - name: "Install dependencies"
         run: "composer update --no-progress --prefer-dist ${{ matrix.flags }}"
@@ -65,6 +66,7 @@ jobs:
         with:
           coverage: "none"
           php-version: "8.0"
+          ini-file: "development"
           tools: composer:v2
       - name: "Install PHP 8 dependencies"
         run: "composer update --no-progress --prefer-dist"
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 5271264cbf..c4cbd16656 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -4,6 +4,7 @@
          xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
          backupGlobals="false"
          colors="true"
+         convertDeprecationsToExceptions="true"
          beStrictAboutTestsThatDoNotTestAnything="false"
          bootstrap="./test/bootstrap.php">
     <testsuites>