diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 07b7d241..9966899e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,6 +10,7 @@ jobs:
       - uses: cachix/install-nix-action@v12
         with:
           nix_path: nixpkgs=channel:nixos-unstable
+          install_url: "https://releases.nixos.org/nix/nix-2.3.16/install"
       - uses: cachix/cachix-action@v8
         with:
           name: arximboldi
@@ -25,6 +26,7 @@ jobs:
       - uses: cachix/install-nix-action@v12
         with:
           nix_path: nixpkgs=channel:nixos-unstable
+          install_url: "https://releases.nixos.org/nix/nix-2.3.16/install"
       - uses: cachix/cachix-action@v8
         with:
           name: arximboldi
@@ -81,6 +83,7 @@ jobs:
       - uses: cachix/install-nix-action@v12
         with:
           nix_path: nixpkgs=channel:nixos-unstable
+          install_url: "https://releases.nixos.org/nix/nix-2.3.16/install"
       - uses: cachix/cachix-action@v8
         with:
           name: arximboldi