diff --git a/poetry.lock b/poetry.lock
index b75503a..c070d93 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "aiofiles"
@@ -1330,63 +1330,53 @@ test = ["hatch", "ipykernel", "openapi-core (>=0.18.0,<0.19.0)", "openapi-spec-v
 
 [[package]]
 name = "langchain-core"
-version = "0.2.39"
+version = "0.3.19"
 description = "Building applications with LLMs through composability"
 optional = false
-python-versions = ">=3.8.1,<4.0"
-files = []
-develop = false
+python-versions = "<4.0,>=3.9"
+files = [
+    {file = "langchain_core-0.3.19-py3-none-any.whl", hash = "sha256:562b7cc3c15dfaa9270cb1496990c1f3b3e0b660c4d6a3236d7f693346f2a96c"},
+    {file = "langchain_core-0.3.19.tar.gz", hash = "sha256:126d9e8cadb2a5b8d1793a228c0783a3b608e36064d5a2ef1a4d38d07a344523"},
+]
 
 [package.dependencies]
-jsonpatch = "^1.33"
-langsmith = "^0.1.112"
+jsonpatch = ">=1.33,<2.0"
+langsmith = ">=0.1.125,<0.2.0"
 packaging = ">=23.2,<25"
 pydantic = [
-    {version = ">=1,<3", markers = "python_full_version < \"3.12.4\""},
+    {version = ">=2.5.2,<3.0.0", markers = "python_full_version < \"3.12.4\""},
     {version = ">=2.7.4,<3.0.0", markers = "python_full_version >= \"3.12.4\""},
 ]
 PyYAML = ">=5.3"
-tenacity = "^8.1.0,!=8.4.0"
+tenacity = ">=8.1.0,<8.4.0 || >8.4.0,<10.0.0"
 typing-extensions = ">=4.7"
 
-[package.source]
-type = "git"
-url = "https://github.com/langchain-ai/langchain.git"
-reference = "HEAD"
-resolved_reference = "c0dd293f1040d7538bb2e4e0a94568420239d496"
-subdirectory = "libs/core/"
-
 [[package]]
-name = "langchain-standard-tests"
-version = "0.1.1"
+name = "langchain-tests"
+version = "0.3.1"
 description = "Standard tests for LangChain implementations"
 optional = false
-python-versions = ">=3.8.1,<4.0"
-files = []
-develop = false
+python-versions = "<4.0,>=3.9"
+files = [
+    {file = "langchain_tests-0.3.1-py3-none-any.whl", hash = "sha256:c62fc827247ec0a1ec73303cda8062b84581663d8f9c6e6081b1362ff822f538"},
+    {file = "langchain_tests-0.3.1.tar.gz", hash = "sha256:9a221351f4c9de00d0c731e80d2dd3281ef3ba0786193d7a566a70d480cc109f"},
+]
 
 [package.dependencies]
-httpx = "^0.27.0"
-langchain-core = ">=0.1.40,<0.3"
+httpx = ">=0.27.0,<0.28.0"
+langchain-core = ">=0.3.15,<0.4.0"
 pytest = ">=7,<9"
-syrupy = "^4"
-
-[package.source]
-type = "git"
-url = "https://github.com/langchain-ai/langchain.git"
-reference = "HEAD"
-resolved_reference = "c0dd293f1040d7538bb2e4e0a94568420239d496"
-subdirectory = "libs/standard-tests/"
+syrupy = ">=4,<5"
 
 [[package]]
 name = "langsmith"
-version = "0.1.119"
+version = "0.1.143"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langsmith-0.1.119-py3-none-any.whl", hash = "sha256:152202bd9e856f64d227ab36089965de1818c960fe822858d367241e12cda984"},
-    {file = "langsmith-0.1.119.tar.gz", hash = "sha256:89ac51a1d76e8f2c12318c5d5e3f3f591cd2b8434ab861ddffbb04dc5f75e9d2"},
+    {file = "langsmith-0.1.143-py3-none-any.whl", hash = "sha256:ba0d827269e9b03a90fababe41fa3e4e3f833300b95add10184f7e67167dde6f"},
+    {file = "langsmith-0.1.143.tar.gz", hash = "sha256:4c5159e5cd84b3f8499433009e72d2076dd2daf6c044ac8a3611b30d0d0161c5"},
 ]
 
 [package.dependencies]
@@ -1397,6 +1387,7 @@ pydantic = [
     {version = ">=2.7.4,<3.0.0", markers = "python_full_version >= \"3.12.4\""},
 ]
 requests = ">=2,<3"
+requests-toolbelt = ">=1.0.0,<2.0.0"
 
 [[package]]
 name = "markupsafe"
@@ -2571,6 +2562,20 @@ urllib3 = ">=1.21.1,<3"
 socks = ["PySocks (>=1.5.6,!=1.5.7)"]
 use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]
 
+[[package]]
+name = "requests-toolbelt"
+version = "1.0.0"
+description = "A utility belt for advanced users of python-requests"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+files = [
+    {file = "requests-toolbelt-1.0.0.tar.gz", hash = "sha256:7681a0a3d047012b5bdc0ee37d7f8f07ebe76ab08caeccfc3921ce23c88d5bc6"},
+    {file = "requests_toolbelt-1.0.0-py2.py3-none-any.whl", hash = "sha256:cccfdd665f0a24fcf4726e690f65639d272bb0637b9b92dfd91a5568ccf6bd06"},
+]
+
+[package.dependencies]
+requests = ">=2.0.1,<3.0.0"
+
 [[package]]
 name = "rfc3339-validator"
 version = "0.1.4"
@@ -3244,4 +3249,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "6c83a167314609482049cd62f93821b462ee2c9cda29459a7184a6d08a94ca3c"
+content-hash = "d84c0dd0c6d446789d0816e0491ff0ce7519ab50bbd2eab197315ae1ac2d50fc"
diff --git a/pyproject.toml b/pyproject.toml
index bc4a140..97ee36b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,8 +34,7 @@ pytest-asyncio = "^0.23.2"
 pytest-socket = "^0.7.0"
 pytest-cov = "^5.0.0"
 pytest-timeout = "^2.3.1"
-langchain-core = { git = "https://github.com/langchain-ai/langchain.git", subdirectory = "libs/core/" }
-langchain-tests = { git = "https://github.com/langchain-ai/langchain.git", subdirectory = "libs/standard-tests/" }
+langchain-tests = "0.3.1"
 
 [tool.poetry.group.codespell]
 optional = true