diff --git a/.github/actions/setup-nix/action.yaml b/.github/actions/setup-nix/action.yaml
index 71de3fda7..31026679d 100644
--- a/.github/actions/setup-nix/action.yaml
+++ b/.github/actions/setup-nix/action.yaml
@@ -12,6 +12,8 @@ runs:
   using: composite
   steps:
     - uses: cachix/install-nix-action@v18
+      with:
+        install_url: https://releases.nixos.org/nix/nix-2.13.3/install
     - uses: cachix/cachix-action@v12
       with:
         name: postgrest