diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..2d29d94
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,17 @@
+name: "Test"
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+  schedule:
+    - cron: '42 7 * * *'
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Nix
+        uses: cachix/install-nix-action@v30
+      - name: Execute unit tests
+        run: nix flake check
diff --git a/flake.nix b/flake.nix
index abac9b8..476a7d4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -59,6 +59,7 @@
 
         treefmt = {
           programs = {
+            actionlint.enable = true;
             alejandra.enable = true;
           };
           settings.global.excludes = [