diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..1225515
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,25 @@
+name: CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Amazon Corretto 25
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'corretto'
+          java-version: '25'
+          cache: 'maven'
+
+      - name: Build & run unit tests
+        run: mvn -q -B test