diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 0a9661f41..f4c94be57 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -34,6 +34,9 @@ jobs:
           cache-dependency-glob: '**/pyproject.toml'
 
       - name: Lint
+        # Use bash to ensure the step fails if any command fails.
+        # PowerShell does not fail on intermediate command failures by default.
+        shell: bash
         run: |
           uv run --extra=dev prek run --all-files --hook-stage pre-commit --verbose
           uv run --extra=dev prek run --all-files --hook-stage pre-push --verbose