diff --git a/poetry.lock b/poetry.lock
index b20822787..5251e3834 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1954,13 +1954,13 @@ tenacity = ">=8.1.0,<8.4.0 || >8.4.0,<9.0.0"
 
 [[package]]
 name = "langchain-core"
-version = "0.2.39"
+version = "0.2.40"
 description = "Building applications with LLMs through composability"
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langchain_core-0.2.39-py3-none-any.whl", hash = "sha256:5a5ad4e1c02d13e7021c026b2c7965069ad71ef67b018274cd52bab56e39143e"},
-    {file = "langchain_core-0.2.39.tar.gz", hash = "sha256:73d7b6f0b0212bc8069c3640d69e8d75faa51097784019ffa5c36c617c04acb0"},
+    {file = "langchain_core-0.2.40-py3-none-any.whl", hash = "sha256:71fff5cafa4b9c82a3a716e985f071383be452c35d8cc3169b3a393e6857fc99"},
+    {file = "langchain_core-0.2.40.tar.gz", hash = "sha256:c838ea0c0b73475a8e58ced3e306b6d926ef063721abd164f237c8664916f502"},
 ]
 
 [package.dependencies]
@@ -4583,4 +4583,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "3.11.2"
-content-hash = "49551ae07d12ae0cc3f3976e75bf1c12376191ad77603243d6d5157309ab7449"
+content-hash = "026f9e111fbcebd688589a0628aa003fb1285750f90a64931f8d4f4e6c3dc11b"
diff --git a/pyproject.toml b/pyproject.toml
index 0a1e66b02..25f1f0763 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -69,7 +69,7 @@ pydantic = "^2.7.3"
 pydantic_core = "^2.18.4"
 langchain = "^0.2.16"
 langchain-community = "^0.2.16"
-langchain-core = "^0.2.39"
+langchain-core = "^0.2.40"
 langchain-openai = "^0.1.23"
 unstructured = "^0.15.9"
 Markdown = "^3.6"