diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 42a0c53ee4..30da255541 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -32,6 +32,7 @@ jobs:
       - name: mkdocs deploy latest
         if: contains(github.ref, 'refs/heads/')
         run: | 
+           mike install-extras
            mike deploy --push --rebase 0.4
         
       - name: mkdocs deploy new release / tag