diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dcd19d5..8eaa2b8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -110,9 +110,7 @@ jobs:
     needs: [test]
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/publish_pure_python.yml@main
     with:
-      libraries: |
-        apt:
-          - ffmpeg
+      libraries: 'ffmpeg'
       test_extras: 'dev'
       test_command: 'pytest -p no:warnings --doctest-rst -m "not mpl_image_compare" --pyargs irispy'
       submodules: false