diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
new file mode 100644
index 0000000..6c9885b
--- /dev/null
+++ b/.github/workflows/build-and-test.yml
@@ -0,0 +1,14 @@
+name: "Build and Test"
+on:
+  pull_request:
+  push:
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: cachix/install-nix-action@v27
+      with:
+        github_access_token: ${{ secrets.GITHUB_TOKEN }}
+    - run: nix build
+    - run: nix flake check
diff --git a/.github/workflows/dotnetcore.yml b/.github/workflows/dotnetcore.yml
deleted file mode 100644
index 5291e06..0000000
--- a/.github/workflows/dotnetcore.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: Build and Test
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: '6.0.x'
-    - name: .net version
-      run: dotnet --version
-    - name: Install dependencies
-      run: dotnet restore
-    - name: Build
-      run: dotnet build --configuration Debug --no-restore
-    - name: Test
-      run: dotnet test --no-restore --verbosity normal