diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index ea496a3557..339edc556c 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -75,4 +75,6 @@ jobs:
 
       - name: Deploy via mkdocs
         #run: make deploy-mkdocs
-        run: mkdocs gh-deploy --force
+        run: |
+          which mkdocs
+          mkdocs gh-deploy --force