diff --git a/uv.lock b/uv.lock
index e73041100..7606faea2 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1101,7 +1101,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.2.20"
+version = "1.2.28"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
@@ -1113,9 +1113,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/db/41/6552a419fe549a79601e5a698d1d5ee2ca7fe93bb87fd624a16a8c1bdee3/langchain_core-1.2.20.tar.gz", hash = "sha256:c7ac8b976039b5832abb989fef058b88c270594ba331efc79e835df046e7dc44", size = 838330, upload-time = "2026-03-18T17:34:45.522Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/f8/a4/317a1a3ac1df33a64adb3670bf88bbe3b3d5baa274db6863a979db472897/langchain_core-1.2.28.tar.gz", hash = "sha256:271a3d8bd618f795fdeba112b0753980457fc90537c46a0c11998516a74dc2cb", size = 846119, upload-time = "2026-04-08T18:19:34.867Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/d9/06/08c88ddd4d6766de4e6c43111ae8f3025df383d2a4379cb938fc571b49d4/langchain_core-1.2.20-py3-none-any.whl", hash = "sha256:b65ff678f3c3dc1f1b4d03a3af5ee3b8d51f9be5181d74eb53c6c11cd9dd5e68", size = 504215, upload-time = "2026-03-18T17:34:44.087Z" },
+    { url = "https://files.pythonhosted.org/packages/a8/92/32f785f077c7e898da97064f113c73fbd9ad55d1e2169cf3a391b183dedb/langchain_core-1.2.28-py3-none-any.whl", hash = "sha256:80764232581eaf8057bcefa71dbf8adc1f6a28d257ebd8b95ba9b8b452e8c6ac", size = 508727, upload-time = "2026-04-08T18:19:32.823Z" },
 ]
 
 [[package]]