diff --git a/uv.lock b/uv.lock
index 27c048a..86a2d0d 100644
--- a/uv.lock
+++ b/uv.lock
@@ -772,9 +772,10 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.5.3"
+version = "1.5.5"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
+    { name = "httpx" },
     { name = "jsonpatch" },
     { name = "langchain-protocol" },
     { name = "langsmith" },
@@ -785,9 +786,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/65/3e/63af6b9d76d9be907c7c524d6ec18a2efed7e0e2d123fea0230d78dbd73f/langchain_core-1.5.3.tar.gz", hash = "sha256:a56457ac444fef41e9404443c187f0ecea708d36e816ea4ba9573c027f7d1a2d", size = 972461, upload-time = "2026-07-30T14:55:55.833Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e5/c1/c226367fdf92a173c8b520d0b3583a0aaf4c3fe4952010f680e49d88589d/langchain_core-1.5.5.tar.gz", hash = "sha256:c08d78176113867e9a76acc1007d641cd68fa5682e9e0018980d062b4ae0777e", size = 983166, upload-time = "2026-08-14T18:56:24.364Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/36/e6/c7c39efe0bc7e1b7c3d8f54f85846e04c901913c3d3e99068b218558c6f1/langchain_core-1.5.3-py3-none-any.whl", hash = "sha256:48b56fa580277209594dd7baf837f5b9a2a3651613f34ff9fb1728b429df015f", size = 561687, upload-time = "2026-07-30T14:55:54.419Z" },
+    { url = "https://files.pythonhosted.org/packages/e7/09/9f29e62e99118865d092acda6143a1ba6ce1893e3dcb72388a75b798e37d/langchain_core-1.5.5-py3-none-any.whl", hash = "sha256:537037fd44ead7c1ffb9621011029ad2e347e051519d17f112d7bf7be12f4365", size = 565884, upload-time = "2026-08-14T18:56:23.051Z" },
 ]
 
 [[package]]