diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 72a3f697..844ef4f1 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -41,14 +41,14 @@ jobs:
       with:
         php-version: ${{ matrix.php }}
         coverage: none
-        extension-csv: mbstring, dom, fileinfo, sqlite, gd, zip
+        extensions: mbstring, dom, fileinfo, sqlite, gd, zip
     - name: Setup PHP with Xdebug
       uses: shivammathur/setup-php@v1
       if: matrix.php == '7.2'
       with:
         php-version: ${{ matrix.php }}
         coverage: xdebug
-        extension-csv: mbstring, dom, fileinfo, sqlite, gd, zip
+        extensions: mbstring, dom, fileinfo, sqlite, gd, zip
     - name: Cache Composer dependencies
       uses: actions/cache@v1
       with: