diff --git a/mapping_provider/api/common.py b/mapping_provider/api/common.py
index 9c528b0e71b78ccb6f8a8f607359a2013ff60c50..3712b8e96d5cd7a76724cbd7bdbd0f5c0515ef37 100644
--- a/mapping_provider/api/common.py
+++ b/mapping_provider/api/common.py
@@ -1,14 +1,22 @@
-from importlib.metadata import PackageNotFoundError, version
+from importlib.metadata import version
 
 from fastapi import APIRouter
+from pydantic import BaseModel
 
 router = APIRouter()
 
 
+class Version(BaseModel):
+    module: str
+    api: str
+
+
 @router.get("/version")
-def get_version() -> dict[str, str]:
-    """Get the version of the package."""
-    try:
-        return {"version": version("mapping_provider")}
-    except PackageNotFoundError:
-        return {"version": "unknown"}
+def get_version() -> Version:
+    """
+    handler for /version
+    """
+    return Version(
+        module = version('mapping_provider'),
+        api = '0.1'
+    )
diff --git a/requirements.txt b/requirements.txt
index 8cedf04a6b774601a712430bfb7494d302f9fb80..bb2015ee9487eb433ea427c9b1981ce044ad2c78 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,11 @@
 fastapi
 uvicorn[standard]
+requests
+jsonschema
+
+httpx  # required for fastapi TestClient
+pytest
+responses
 
 sphinx
 sphinx-rtd-theme
diff --git a/test/conftest.py b/test/conftest.py
new file mode 100644
index 0000000000000000000000000000000000000000..f9fb99040ff4536d24da7de34c67190b86c23c17
--- /dev/null
+++ b/test/conftest.py
@@ -0,0 +1,9 @@
+from fastapi.testclient import TestClient
+import pytest
+
+from mapping_provider import create_app
+
+
+@pytest.fixture
+def client():
+    return TestClient(create_app())
diff --git a/test/test_version.py b/test/test_version.py
new file mode 100644
index 0000000000000000000000000000000000000000..863570b83cc17851e160c1df9ce446668096a40a
--- /dev/null
+++ b/test/test_version.py
@@ -0,0 +1,8 @@
+from mapping_provider.api.common import Version
+
+
+def test_version(client):
+    rv = client.get("/version")
+    assert rv.status_code == 200
+    assert rv.json()
+    Version.model_validate(rv.json())