diff --git a/.gitea/workflows/push.yaml b/.gitea/workflows/push.yaml
index 1fc0117..33cd6e8 100644
--- a/.gitea/workflows/push.yaml
+++ b/.gitea/workflows/push.yaml
@@ -75,8 +75,12 @@ jobs:
           path: target/doc
 
   nix-build:
-    runs-on: nix
+    runs-on: ubuntu-latest
     steps:
+      - name: Update Package Lists
+        run: apt update
+      - name: Install Nix
+        run: apt install -y nix-bin
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Build project with Nix