diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c5fcaed..45ea1bf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,4 +13,5 @@ jobs:
         install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
         extra_nix_config: |
           experimental-features = nix-command flakes
+    - run: nix develop -c rustc --version
     - run: nix-build