diff --git a/.gitea/workflows/tests.yml b/.gitea/workflows/tests.yml
new file mode 100644
index 0000000..7c6123a
--- /dev/null
+++ b/.gitea/workflows/tests.yml
@@ -0,0 +1,33 @@
+name: Linux unit tests
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  unit-tests:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Install build dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install --yes cmake ninja-build g++
+
+      - name: Configure
+        run: >-
+          cmake -S . -B build -G Ninja
+          -DCMAKE_BUILD_TYPE=Debug
+          -DIZO_BUILD_TESTS=ON
+          -DIZO_BUILD_EXAMPLE=ON
+
+      - name: Build
+        run: cmake --build build --parallel
+
+      - name: Run unit tests
+        run: ctest --test-dir build --output-on-failure
diff --git a/README.md b/README.md
index b233803..ac7ee8e 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,9 @@ cmake --build build
 ctest --test-dir build
 ```
 
+The unit test suite targets Linux and runs automatically on Gitea Actions using
+an `ubuntu-latest` runner.
+
 To consume an installed copy:
 
 ```cmake