diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index ca04b2d..4af8db9 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -42,7 +42,7 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
           coverage: xdebug
-          ini-values: zend.assertions=1
+          ini-values: zend.assertions=1, assert.exception=1
 
       - name: Install dependencies with Composer
         uses: ramsey/composer-install@v1