diff --git a/examples/deep_research/uv.lock b/examples/deep_research/uv.lock
index 66bbc221ab..c7d59d47fe 100644
--- a/examples/deep_research/uv.lock
+++ b/examples/deep_research/uv.lock
@@ -1616,7 +1616,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.2.16"
+version = "1.2.22"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
@@ -1628,9 +1628,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/2e/a7/4c992456dae89a8704afec03e3c2a0149ccc5f29c1cbdd5f4aa77628e921/langchain_core-1.2.16.tar.gz", hash = "sha256:055a4bfe7d62f4ac45ed49fd759ee2e6bdd15abf998fbeea695fda5da2de6413", size = 835286, upload-time = "2026-02-25T16:27:30.551Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/b1/a3/c4cd6827a1df46c821e7214b7f7b7a28b189e6c9b84ef15c6d629c5e3179/langchain_core-1.2.22.tar.gz", hash = "sha256:8d8f726d03d3652d403da915126626bb6250747e8ba406537d849e68b9f5d058", size = 842487, upload-time = "2026-03-24T18:48:44.9Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/2d/a1/57d5feaa11dc2ebb40f3bc3d7bf4294b6703e152e56edea9d4c622475a6a/langchain_core-1.2.16-py3-none-any.whl", hash = "sha256:2768add9aa97232a7712580f678e0ba045ee1036c71fe471355be0434fcb6e30", size = 502219, upload-time = "2026-02-25T16:27:29.379Z" },
+    { url = "https://files.pythonhosted.org/packages/c7/a6/2ffacf0f1a3788f250e75d0b52a24896c413be11be3a6d42bcdf46fbea48/langchain_core-1.2.22-py3-none-any.whl", hash = "sha256:7e30d586b75918e828833b9ec1efc25465723566845dd652c277baf751e9c04b", size = 506829, upload-time = "2026-03-24T18:48:43.286Z" },
 ]
 
 [[package]]