diff --git a/poetry.lock b/poetry.lock
index 2aa9f8a63..1cda2d69f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1576,13 +1576,13 @@ extended-testing = ["aiosqlite (>=0.19.0,<0.20.0)", "aleph-alpha-client (>=2.15.
 
 [[package]]
 name = "langchain-core"
-version = "0.1.7"
+version = "0.1.8"
 description = "Building applications with LLMs through composability"
 optional = false
 python-versions = ">=3.8.1,<4.0"
 files = [
-    {file = "langchain_core-0.1.7-py3-none-any.whl", hash = "sha256:c66327dbb4b7d4ab911556aa0511ebf4f40801ad66d98778fb5566dba45b0091"},
-    {file = "langchain_core-0.1.7.tar.gz", hash = "sha256:c05211a309721d67aa5a681c946a2f010e14632a2bea3728da0a30a2534efa9e"},
+    {file = "langchain_core-0.1.8-py3-none-any.whl", hash = "sha256:f4d1837d6d814ed36528b642211933d1f0bd84e1eff361f4630a8c750acc27d0"},
+    {file = "langchain_core-0.1.8.tar.gz", hash = "sha256:93ab72f5ab202526310fad389a45626501fd76ecf56d451111c0d4abe8183407"},
 ]
 
 [package.dependencies]
@@ -3618,4 +3618,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8.1,<4.0"
-content-hash = "d830534e382bb3d1d6d51a55ab7ac6762fbabd0be9c4030578ec920aedd6698b"
+content-hash = "9aa1c4dcb484322ed2c5fc403902227865a825c9f1fd8874563edff0432133b6"
diff --git a/pyproject.toml b/pyproject.toml
index 942d50b35..d13cd2cac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ repository = "https://www.github.com/langchain-ai/langgraph"
 
 [tool.poetry.dependencies]
 python = ">=3.8.1,<4.0"
-langchain-core = "^0.1.3"
+langchain-core = "^0.1.8"
 
 
 [tool.poetry.group.test.dependencies]