diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index af42c082..fa46a9ca 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -43,6 +43,7 @@ jobs:
         uses: actions/checkout@v3
         with:
           submodules: recursive
+          fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v3