diff --git a/.gitea/workflows/check-flake.yaml b/.gitea/workflows/check-flake.yaml
index 9e00e96..4c4d46e 100644
--- a/.gitea/workflows/check-flake.yaml
+++ b/.gitea/workflows/check-flake.yaml
@@ -10,7 +10,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Install sudo
-        run: apt-get update && apt-get install sudo
+        run: apt-get update && apt-get install sudo wget
+
+      - run: wget https://api.github.com/repos/NixOS/nixpkgs/tarball/8dafae7c03d6aa8c2ae0a0612fbcb47e994e3fb8
 
       - name: Install Nix
         uses: https://github.com/cachix/install-nix-action@v20