diff --git a/.github/workflows/tests-nix-linux.yml b/.github/workflows/tests-nix-linux.yml
index 43045cde..16be3ff6 100644
--- a/.github/workflows/tests-nix-linux.yml
+++ b/.github/workflows/tests-nix-linux.yml
@@ -19,5 +19,7 @@ jobs:
         name: eigenvalue
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
     - run: "./run_tests.sh --no-cargo-build"
-    - run: "nix flake check"
+    - run: "nix --version"
+# TODO: Reenable with recent nix
+#   - run: "nix flake check"
     - run: "nix run . -- --help"
diff --git a/.github/workflows/tests-nix-macos.yml b/.github/workflows/tests-nix-macos.yml
index ff2d84a7..7a13b0db 100644
--- a/.github/workflows/tests-nix-macos.yml
+++ b/.github/workflows/tests-nix-macos.yml
@@ -19,6 +19,7 @@ jobs:
         name: eigenvalue
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
     - run: "./run_tests.sh --no-cargo-build"
+    - run: "nix --version"
   # TODO: update nixpkgs/nix and fix this
   #  - run: "nix flake check"
     - run: "nix run . -- --help"