diff --git a/uv.lock b/uv.lock
index fd17b0da4b..d51490cdc1 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2312,10 +2312,11 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.2.31"
+version = "1.3.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
+    { name = "langchain-protocol" },
     { name = "langsmith" },
     { name = "packaging" },
     { name = "pydantic" },
@@ -2324,9 +2325,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/a1/5a/7523ff55668a233beef7e909e8e2074a1cc3b620e0bbf0a4ec5f38549b3b/langchain_core-1.2.31.tar.gz", hash = "sha256:aad3ecc9e4dce2dd2bb79526c81b92e5322fd81db7834a031cb80359f2e3ebaa", size = 850756, upload-time = "2026-04-16T13:26:29.241Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/d3/ae/8b74458fc3850ec3d150eb9f45e857db129dafa801fb5cf173dfc9f8bbf3/langchain_core-1.3.3.tar.gz", hash = "sha256:fa510a5db8efdc0c6ff41c0939fb5c00a0183c11f6b84233e892e3227ff69182", size = 915041, upload-time = "2026-05-05T19:02:36.612Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/52/02/668ddf4f1cf963ad691bdbea672a85244e6271eb0a4acfaf662bbd94a3b1/langchain_core-1.2.31-py3-none-any.whl", hash = "sha256:c407193edb99311cc36ec3e4d3667a065bbc4d7d72fbb6e368538b9b134d4033", size = 513264, upload-time = "2026-04-16T13:26:27.566Z" },
+    { url = "https://files.pythonhosted.org/packages/1f/01/4771b7ab2af1d1aba5b710bd8f13d9225c609425214b357590a17b01be77/langchain_core-1.3.3-py3-none-any.whl", hash = "sha256:18aae8506f37da7f74398492279a7d6efcee4f8e23c4c41c7af080eeb7ef7bd1", size = 543857, upload-time = "2026-05-05T19:02:34.52Z" },
 ]
 
 [[package]]
@@ -2374,6 +2375,18 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/0b/fa/8c33befbc0cf81b21371cc1dab4e7bf94a80b8116194f263a5021ec02529/langchain_openai-1.1.14-py3-none-any.whl", hash = "sha256:cb525d2011f9813fc15a7dcfd4bca5b87badcbcb2c113a7fbe45d1b8a1bbb69c", size = 88705, upload-time = "2026-04-16T14:55:23.159Z" },
 ]
 
+[[package]]
+name = "langchain-protocol"
+version = "0.0.15"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/4f/24/9777489d6fbbee64af0c8f96d4f840239c408cf694f3394672807dafc490/langchain_protocol-0.0.15.tar.gz", hash = "sha256:9ab2d11ee73944754f10e037e717098d3a6796f0e58afa9cadda6154e7655ade", size = 5862, upload-time = "2026-05-01T22:30:04.748Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/1d/7a/9c97a7b9cbe4c5dc6a44cdb1545450c28f0c8ce89b9c1f0ee7fbad896263/langchain_protocol-0.0.15-py3-none-any.whl", hash = "sha256:461eb794358f83d5e42635a5797799ffec7b4702314e34edf73ac21e75d3ef79", size = 6982, upload-time = "2026-05-01T22:30:03.877Z" },
+]
+
 [[package]]
 name = "langchain-text-splitters"
 version = "1.1.2"