diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..3d7b6e6
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,24 @@
+name: Tests
+
+on:
+  pull_request:
+    types: [opened, reopened]
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: "1.21"
+          cache: false
+
+      - name: Test
+        run: go test