diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2d7d5f9..35852a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.6.1 - 2026-11-05
+
+The `X-Search1API-Client` request header now reports the installed version (`python/0.6.1`). Since 0.3.0 it had always said `python/0.3.0`. The version lives in `search1api/_version.py` and a test keeps it equal to `pyproject.toml`. No API changes.
+
 ## 0.6.0 - 2026-11-05
 
 Adds keyword arguments to `start_deepcrawl` and `deepcrawl` on `Search1API` and `AsyncSearch1API`: `max_pages` (1-1000, default 1000, applied after the path rules in discovery order), `include_paths` and `exclude_paths` (up to 20 URL path rules each; a rule without `*` is a path prefix on segment boundaries, a rule with `*` matches the whole path; exclusion wins) and `format` (`"zip"`, the default, or `"json"`). Unset arguments are not sent. `DeepcrawlStatusResponse` adds `format`, `stats` (`discovered`, `matched`, `skipped`, `crawled`, `failed`), `failed` (`url`, `error`) and, for `format="json"`, `resultUrl` and `pages` (`url`, `title`, Markdown `content`; omitted above 5 MB, use `resultUrl`). Still 20 credits per task. The bundled OpenAPI snapshot is re-synced with the live contract.
diff --git a/pyproject.toml b/pyproject.toml
index f5cdd01..3a61c2f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "search1api"
-version = "0.6.0"
+version = "0.6.1"
 description = "Official Python client for Search1API"
 readme = "README.md"
 license = { file = "LICENSE" }
diff --git a/src/search1api/__init__.py b/src/search1api/__init__.py
index 57cbc02..0cce22b 100644
--- a/src/search1api/__init__.py
+++ b/src/search1api/__init__.py
@@ -1,3 +1,4 @@
+from ._version import __version__ as __version__
 from .client import AsyncSearch1API, Search1API
 from .errors import (
     APIConnectionError,
@@ -34,5 +35,3 @@
     "Search1APIError",
     "UnprocessableEntityError",
 ]
-
-__version__ = "0.6.0"
diff --git a/src/search1api/_version.py b/src/search1api/_version.py
new file mode 100644
index 0000000..951860b
--- /dev/null
+++ b/src/search1api/_version.py
@@ -0,0 +1,3 @@
+# Sent as ``X-Search1API-Client: python/<version>``. Kept equal to the version
+# in pyproject.toml by tests/test_client.py; bump both together.
+__version__ = "0.6.1"
diff --git a/src/search1api/client.py b/src/search1api/client.py
index 1175f0d..bdfa0b8 100644
--- a/src/search1api/client.py
+++ b/src/search1api/client.py
@@ -11,6 +11,7 @@
 
 import httpx
 
+from ._version import __version__
 from .errors import (
     APIConnectionError,
     APITimeoutError,
@@ -252,7 +253,7 @@ def _request_headers(self, accept: str = "application/json") -> Dict[str, str]:
         return {
             "Accept": accept,
             "Authorization": f"Bearer {self.api_key}",
-            "X-Search1API-Client": "python/0.3.0",
+            "X-Search1API-Client": f"python/{__version__}",
             **self.headers,
         }
 
diff --git a/tests/test_client.py b/tests/test_client.py
index 5598d9c..60586df 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -1,5 +1,6 @@
 import asyncio
 import json
+import re
 from pathlib import Path
 
 import httpx
@@ -11,6 +12,7 @@
     InternalServerError,
     Search1API,
     Search1APIConfigurationError,
+    __version__,
 )
 
 
@@ -622,3 +624,25 @@ def test_sdk_covers_every_public_openapi_operation():
     for method in operation_methods.values():
         assert callable(getattr(Search1API, method))
         assert callable(getattr(AsyncSearch1API, method))
+
+
+def test_version_matches_pyproject():
+    pyproject = (Path(__file__).resolve().parents[1] / "pyproject.toml").read_text()
+    match = re.search(r'^version = "([^"]+)"$', pyproject, re.M)
+    assert match is not None
+    assert __version__ == match.group(1)
+
+
+def test_client_header_reports_package_version():
+    seen = []
+
+    def handler(request):
+        seen.append(request)
+        return json_response(200, {"links": []}, request)
+
+    http_client = httpx.Client(transport=httpx.MockTransport(handler))
+    client = Search1API("test-key", client=http_client)
+
+    client.sitemap("https://example.com")
+
+    assert seen[0].headers["X-Search1API-Client"] == f"python/{__version__}"