diff --git a/uv.lock b/uv.lock
index c958398..b069c9e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,12 +1,12 @@
 version = 1
-revision = 3
+revision = 5
 requires-python = ">=3.11"
 resolution-markers = [
     "python_full_version >= '3.15'",
     "python_full_version == '3.14.*' and sys_platform == 'emscripten'",
     "python_full_version == '3.14.*' and sys_platform != 'emscripten'",
     "python_full_version >= '3.12' and python_full_version < '3.14' and sys_platform == 'emscripten'",
-    "(python_full_version < '3.14' and sys_platform != 'emscripten') or (python_full_version < '3.12' and sys_platform == 'emscripten')",
+    "python_full_version < '3.12' or (python_full_version >= '3.12' and python_full_version < '3.14' and sys_platform != 'emscripten')",
 ]
 
 [[package]]
@@ -841,7 +841,7 @@ wheels = [
 
 [[package]]
 name = "langgraph"
-version = "1.2.15"
+version = "1.2.18"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
@@ -851,9 +851,9 @@ dependencies = [
     { name = "pydantic" },
     { name = "xxhash" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/ab/69/d43defeb393d5e222574b80411ee3c214dc4de4012b4ce363f6faf115aff/langgraph-1.2.15.tar.gz", hash = "sha256:bebcfe5369b7307de1369ac00775f6e7b5a64ec94c050896b67de69d98aac612", size = 767102, upload-time = "2026-10-12T22:38:13.165Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/0a/a5/e7d893369550a450143d22e5e18079c2864e29af4907761921c74d587d6e/langgraph-1.2.18.tar.gz", hash = "sha256:4c3e4289043ed0f99625a09990a012d7b16bb576301d8616810de7db01725f9e", size = 776156, upload-time = "2026-10-26T20:04:31.376Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/c2/82/d79317d651dc575aa471cd777d781d8fdd28d974b1de90e8718d473f6863/langgraph-1.2.15-py3-none-any.whl", hash = "sha256:6e1611c4dad33d933b8cf21a91db73285221e67508feb2db5a0397af55fb838f", size = 259575, upload-time = "2026-10-12T22:38:11.806Z" },
+    { url = "https://files.pythonhosted.org/packages/64/ee/c0548039e6523b97891b97e9fe7ce567385673cbbd6e817b735100484a42/langgraph-1.2.18-py3-none-any.whl", hash = "sha256:f430f28ea7fbc129c3cf7dc31c19c33dc27d93aeebd25c6d64fd5c1bad93d27d", size = 260837, upload-time = "2026-10-26T20:04:29.939Z" },
 ]
 
 [[package]]