diff --git a/.gitea/workflows/check-flake.yaml b/.gitea/workflows/check-flake.yaml
index 0524f48..818ecf0 100644
--- a/.gitea/workflows/check-flake.yaml
+++ b/.gitea/workflows/check-flake.yaml
@@ -8,12 +8,13 @@ env:
 jobs:
   check-flake:
     runs-on: ubuntu-latest
+    container: nixos/nix:latest
     steps:
-      - name: Install sudo
-        run: apt-get update && apt-get install sudo
+      # - name: Install sudo
+      #   run: apt-get update && apt-get install sudo
 
-      - name: Install Nix
-        uses: https://github.com/cachix/install-nix-action@v20
+      # - name: Install Nix
+      #   uses: https://github.com/cachix/install-nix-action@v20
 
       - name: Checkout the repository
         uses: actions/checkout@v3