diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4fda670..99d5d72 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -37,6 +37,9 @@ jobs:
         - ubuntu-latest
         - macos-latest
         - windows-latest
+        deps:
+        - "standard"
+        - "optional"
         include:
         - python: "3.9"
           platform: ubuntu-latest
@@ -47,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.platform }}
     continue-on-error: ${{ matrix.python == '3.13' }}
     env:
-      TOX_ENV: py
+      TOX_ENV: py${{ matrix.env == 'standard' ? '' : '-optional' }}
     steps:
       - uses: actions/checkout@v4
       - name: Setup Python