diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..2540dd1
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,27 @@
+name: Cross-platform tests
+
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+permissions:
+  contents: read
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+        with:
+          persist-credentials: false
+      - uses: actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9 # v4
+        with:
+          dotnet-version: '8.0.x'
+      - name: Run OpenNest.Tests
+        run: dotnet test OpenNest.Tests/OpenNest.Tests.csproj
+      - name: Run OpenNest.Engine.Tests
+        run: dotnet test OpenNest.Engine.Tests/OpenNest.Engine.Tests.csproj
+      - name: Run OpenNest.IO.Tests
+        run: dotnet test OpenNest.IO.Tests/OpenNest.IO.Tests.csproj