diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 91bd96c..679960f 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -27,7 +27,7 @@ jobs:
         uses: mamba-org/setup-micromamba@v1
         with:
           cache-downloads: true
-          environment-file: environment_docs.yml
+          environment-file: environment-docs.yml
       - name: Install xdatasets (docs)
         run: |
           python -m ipykernel install --user --name=xdatasets
diff --git a/environment_docs.yml b/environment-docs.yml
similarity index 100%
rename from environment_docs.yml
rename to environment-docs.yml