diff --git a/uv.lock b/uv.lock
index a8f1881..6fa16b2 100644
--- a/uv.lock
+++ b/uv.lock
@@ -17,6 +17,7 @@ members = [
     "dynamic-client-registration",
     "hello-world-server",
     "hello-world-server-lowlevel",
+    "impersonation-token-exchange",
     "keycardai",
     "keycardai-agents",
     "keycardai-mcp",
@@ -324,14 +325,14 @@ wheels = [
 
 [[package]]
 name = "authlib"
-version = "1.6.7"
+version = "1.6.9"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "cryptography" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/49/dc/ed1681bf1339dd6ea1ce56136bad4baabc6f7ad466e375810702b0237047/authlib-1.6.7.tar.gz", hash = "sha256:dbf10100011d1e1b34048c9d120e83f13b35d69a826ae762b93d2fb5aafc337b", size = 164950, upload-time = "2026-02-06T14:04:14.171Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/af/98/00d3dd826d46959ad8e32af2dbb2398868fd9fd0683c26e56d0789bd0e68/authlib-1.6.9.tar.gz", hash = "sha256:d8f2421e7e5980cc1ddb4e32d3f5fa659cfaf60d8eaf3281ebed192e4ab74f04", size = 165134, upload-time = "2026-03-02T07:44:01.998Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/f8/00/3ed12264094ec91f534fae429945efbaa9f8c666f3aa7061cc3b2a26a0cd/authlib-1.6.7-py2.py3-none-any.whl", hash = "sha256:c637340d9a02789d2efa1d003a7437d10d3e565237bcb5fcbc6c134c7b95bab0", size = 244115, upload-time = "2026-02-06T14:04:12.141Z" },
+    { url = "https://files.pythonhosted.org/packages/53/23/b65f568ed0c22f1efacb744d2db1a33c8068f384b8c9b482b52ebdbc3ef6/authlib-1.6.9-py2.py3-none-any.whl", hash = "sha256:f08b4c14e08f0861dc18a32357b33fbcfd2ea86cfe3fe149484b4d764c4a0ac3", size = 244197, upload-time = "2026-03-02T07:44:00.307Z" },
 ]
 
 [[package]]
@@ -1811,6 +1812,21 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/76/c6/c88e154df9c4e1a2a66ccf0005a88dfb2650c1dffb6f5ce603dfbd452ce3/idna-3.10-py3-none-any.whl", hash = "sha256:946d195a0d259cbba61165e88e65941f16e9b36ea6ddb97f00452bae8b1287d3", size = 70442, upload-time = "2024-09-15T18:07:37.964Z" },
 ]
 
+[[package]]
+name = "impersonation-token-exchange"
+version = "0.1.0"
+source = { virtual = "packages/oauth/examples/impersonation_token_exchange" }
+dependencies = [
+    { name = "keycardai-oauth" },
+    { name = "python-dotenv" },
+]
+
+[package.metadata]
+requires-dist = [
+    { name = "keycardai-oauth", editable = "packages/oauth" },
+    { name = "python-dotenv", specifier = ">=1.0.0" },
+]
+
 [[package]]
 name = "importlib-metadata"
 version = "8.7.0"