diff --git a/.github/workflows/binaries.yml b/.github/workflows/binaries.yml
index 04d7569c2a8..f9bc469b59d 100644
--- a/.github/workflows/binaries.yml
+++ b/.github/workflows/binaries.yml
@@ -25,7 +25,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # for git describe
       - uses: cachix/install-nix-action@v22
+      - run: echo "(version $(git describe --always --dirty --abbrev=7))" >> dune-project
       - run: nix build ${{ matrix.installable }}
       - uses: actions/upload-artifact@v4
         with: