diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index dd5224dc3..f9b1d6093 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,6 +10,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
     - uses: cachix/install-nix-action@v8
     #- run: nix flake check
     - run: nix-build -A checks.$(if [[ `uname` = Linux ]]; then echo x86_64-linux; else echo x86_64-darwin; fi)