diff --git a/.github/workflows/book.yml b/.github/workflows/book.yml
index e58e0f5..2838f88 100644
--- a/.github/workflows/book.yml
+++ b/.github/workflows/book.yml
@@ -57,7 +57,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: draft-${{ steps.date.outputs.date }}
+          tag_name: draft-${{ steps.date.outputs.date }}-${{ github.sha }}
           release_name: Draft release ${{ steps.date.outputs.date }}
           body: Latest snapshot (${{ github.sha }})
           prerelease: true