diff --git a/.github/workflows/ci-nix.yml b/.github/workflows/ci-nix.yml
index 14b4fc6..030e061 100644
--- a/.github/workflows/ci-nix.yml
+++ b/.github/workflows/ci-nix.yml
@@ -8,10 +8,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2.3.4
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v16
       with:
-        install_url: https://nixos-nix-install-tests.cachix.org/serve/lb41az54kzk6j12p81br4bczary7m145/install
-        install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
+        #install_url: https://nixos-nix-install-tests.cachix.org/serve/lb41az54kzk6j12p81br4bczary7m145/install
+        #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