diff --git a/python/packages/lab/uv.lock b/python/packages/lab/uv.lock
index d62404c45e6..71afcbd9f05 100644
--- a/python/packages/lab/uv.lock
+++ b/python/packages/lab/uv.lock
@@ -49,18 +49,19 @@ wheels = [
 
 [[package]]
 name = "agent-framework-core"
-version = "1.18.0"
+version = "1.19.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "msgspec" },
     { name = "opentelemetry-api" },
     { name = "pydantic" },
     { name = "python-dotenv" },
+    { name = "pyyaml" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/2e/6e/e0d661f1770bf3a6d70248c5964e684d2bb648b253d53f3dca315f393535/agent_framework_core-1.18.0.tar.gz", hash = "sha256:ef84e1ec570036b81a93a9e924bc4281380f6240ab9bddb8a2db7669282032b0", size = 652594, upload-time = "2026-09-10T09:29:19.938Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/de/4a/7aa2feee4c17864e49d83b368b4740940e00551a035ba12d3bc2678d4c87/agent_framework_core-1.19.0.tar.gz", hash = "sha256:b483482551f56ff465d2633cadbe344791390f03c5f715ec0939e55b865bc86f", size = 703611, upload-time = "2026-09-18T11:00:03.137Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/98/a6/10b844bf70bd174d32635e84a5cffa2ada1df1555266e00fc5c3a402d744/agent_framework_core-1.18.0-py3-none-any.whl", hash = "sha256:75f2fac5eed229c62f0665630cf1478eb45204bde41200a4c94dab57d441cc84", size = 712930, upload-time = "2026-09-10T09:28:54.632Z" },
+    { url = "https://files.pythonhosted.org/packages/22/af/6ed9435277f39373eee1b88f1aff42ea7809d0b520f1932ff59dbf49fd5b/agent_framework_core-1.19.0-py3-none-any.whl", hash = "sha256:c887e6d5380b5ab21731b981f4c3e6b342f211bda20526ab82fa20c34a9bddbd", size = 764283, upload-time = "2026-09-18T10:57:40.824Z" },
 ]
 
 [[package]]