diff --git a/libs/langchain/poetry.lock b/libs/langchain/poetry.lock
index 1028d8b813dc4..2ca427c10685e 100644
--- a/libs/langchain/poetry.lock
+++ b/libs/langchain/poetry.lock
@@ -3474,7 +3474,7 @@ url = "../community"
 
 [[package]]
 name = "langchain-core"
-version = "0.1.24"
+version = "0.1.26"
 description = "Building applications with LLMs through composability"
 optional = false
 python-versions = ">=3.8.1,<4.0"
@@ -9150,4 +9150,4 @@ text-helpers = ["chardet"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8.1,<4.0"
-content-hash = "417ecc70e983739852f1556da647cf6c97ae6236b670d37227a19d1be92cb66d"
+content-hash = "30df9669a4ed14c320cf8aac20f43d96234bad6d12ec6b6ac49984320832e029"
diff --git a/libs/langchain/pyproject.toml b/libs/langchain/pyproject.toml
index 17f7e50f76d55..f008d8a122acb 100644
--- a/libs/langchain/pyproject.toml
+++ b/libs/langchain/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langchain"
-version = "0.1.8"
+version = "0.1.9"
 description = "Building applications with LLMs through composability"
 authors = []
 license = "MIT"
@@ -12,7 +12,7 @@ langchain-server = "langchain.server:main"
 
 [tool.poetry.dependencies]
 python = ">=3.8.1,<4.0"
-langchain-core = ">=0.1.24,<0.2"
+langchain-core = ">=0.1.26,<0.2"
 langchain-community = ">=0.0.21,<0.1"
 langsmith = "^0.1.0"
 pydantic = ">=1,<3"