diff --git a/python/uv.lock b/python/uv.lock
index 7f55b0634d..4d276bbad0 100644
--- a/python/uv.lock
+++ b/python/uv.lock
@@ -514,7 +514,7 @@ requires-dist = [
 ]
 
 [package.metadata.requires-dev]
-dev = [{ name = "types-python-dateutil", specifier = "==2.9.0.20260402" }]
+dev = [{ name = "types-python-dateutil", specifier = "==2.9.0.20260508" }]
 
 [[package]]
 name = "agent-framework-foundry"
@@ -7106,11 +7106,11 @@ wheels = [
 
 [[package]]
 name = "types-python-dateutil"
-version = "2.9.0.20260402"
+version = "2.9.0.20260508"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/a7/30/c5d9efbff5422b20c9551dc5af237d1ab0c3d33729a9b3239a876ca47dd4/types_python_dateutil-2.9.0.20260402.tar.gz", hash = "sha256:a980142b9966713acb382c467e35c5cc4208a2f91b10b8d785a0ae6765df6c0b", size = 16941, upload-time = "2026-04-02T04:18:35.834Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/bd/9b/ee1674cbe9ec50bb824f35a5dc0ce5fd1f1b6196ba1213e3fe6f33b4ce32/types_python_dateutil-2.9.0.20260508.tar.gz", hash = "sha256:596a6d63d81f587bf04c8254fb78df9d2344e915ce67948d7400512e3a6206d5", size = 17033, upload-time = "2026-05-08T04:47:08.248Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e6/d7/fe753bf8329c8c3c1addcba1d2bf716c33898216757abb24f8b80f82d040/types_python_dateutil-2.9.0.20260402-py3-none-any.whl", hash = "sha256:7827e6a9c93587cc18e766944254d1351a2396262e4abe1510cbbd7601c5e01f", size = 18436, upload-time = "2026-04-02T04:18:34.806Z" },
+    { url = "https://files.pythonhosted.org/packages/db/7c/1788ff10edf56031d74ad3fba40947e0e8b82e3a529b30e6b7d71c191dec/types_python_dateutil-2.9.0.20260508-py3-none-any.whl", hash = "sha256:bfc6fd2d81aa86e5ac97206a64304f6bd247426eedbca9b98619bbc48c6a1c10", size = 18425, upload-time = "2026-05-08T04:47:07.207Z" },
 ]
 
 [[package]]