diff --git a/.github/workflows/Sphinx.yml b/.github/workflows/Sphinx.yml
index 7c26451..465b652 100644
--- a/.github/workflows/Sphinx.yml
+++ b/.github/workflows/Sphinx.yml
@@ -7,8 +7,8 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
-      - uses: docker://pandoc/core:2.9
       - name: Install dependencies
+        run: sudo apt-get install pandoc
         run: |
           pip install sphinx sphinx_rtd_theme
           pip install sphinx_design