diff --git a/assemblymcp/__init__.py b/assemblymcp/__init__.py
index fb2e299..d1fd42c 100644
--- a/assemblymcp/__init__.py
+++ b/assemblymcp/__init__.py
@@ -1,3 +1,17 @@
 """AssemblyMCP - MCP Server for Korean National Assembly Open API"""
 
-__version__ = "0.1.0"
+import warnings
+from importlib.metadata import PackageNotFoundError, version
+
+
+def _load_package_version() -> str:
+    try:
+        # Local dev environments can retain stale dist-info after editable reinstalls.
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore", DeprecationWarning)
+            return version("assemblymcp")
+    except PackageNotFoundError:
+        return "0.0.0"
+
+
+__version__ = _load_package_version()
diff --git a/tests/test_version_metadata.py b/tests/test_version_metadata.py
new file mode 100644
index 0000000..a4ac5ae
--- /dev/null
+++ b/tests/test_version_metadata.py
@@ -0,0 +1,6 @@
+import assemblymcp
+
+
+def test_package_version_matches_metadata():
+    assert assemblymcp.__version__ == assemblymcp._load_package_version()
+    assert assemblymcp.__version__ != "0.0.0"
diff --git a/uv.lock b/uv.lock
index aae4a14..5d68fe6 100644
--- a/uv.lock
+++ b/uv.lock
@@ -46,7 +46,7 @@ wheels = [
 
 [[package]]
 name = "assemblymcp"
-version = "0.6.2"
+version = "0.6.4"
 source = { editable = "." }
 dependencies = [
     { name = "assembly-api-client" },