diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bcb46be..fbb1155 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -32,10 +32,6 @@ jobs:
         python-version:
           - "3.14"
         include:
-          - os: macos-latest
-            python-version: "3.8"
-          - os: windows-latest
-            python-version: "3.9"
           - os: ubuntu-latest
             python-version: "3.10"
           - os: macos-latest
diff --git a/requirements-tests.txt b/requirements-tests.txt
new file mode 100644
index 0000000..15fcdb6
--- /dev/null
+++ b/requirements-tests.txt
@@ -0,0 +1,7 @@
+-e .
+
+pytest >=8.3.5
+coverage[toml] >=7.6.1
+mypy ==1.14.1
+ruff ==0.14.1
+smokeshow >=0.5.0
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_main.py b/tests/test_main.py
new file mode 100644
index 0000000..115e0e8
--- /dev/null
+++ b/tests/test_main.py
@@ -0,0 +1,5 @@
+from fastapi_new import __version__
+
+
+def test_version_var_exists() -> None:
+    assert isinstance(__version__, str)