diff --git a/libs/langgraph/poetry.lock b/libs/langgraph/poetry.lock
index f068e1405..b77864484 100644
--- a/libs/langgraph/poetry.lock
+++ b/libs/langgraph/poetry.lock
@@ -747,6 +747,20 @@ files = [
 [package.extras]
 test = ["pytest (>=6)"]
 
+[[package]]
+name = "execnet"
+version = "2.1.1"
+description = "execnet: rapid multi-Python deployment"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "execnet-2.1.1-py3-none-any.whl", hash = "sha256:26dee51f1b80cebd6d0ca8e74dd8745419761d3bef34163928cbebbdc4749fdc"},
+    {file = "execnet-2.1.1.tar.gz", hash = "sha256:5189b52c6121c24feae288166ab41b32549c7e2348652736540b9e6e7d4e72e3"},
+]
+
+[package.extras]
+testing = ["hatch", "pre-commit", "pytest", "tox"]
+
 [[package]]
 name = "executing"
 version = "2.0.1"
@@ -2784,6 +2798,27 @@ files = [
 tomli = {version = ">=2.0.1,<3.0.0", markers = "python_version < \"3.11\""}
 watchdog = ">=2.0.0"
 
+[[package]]
+name = "pytest-xdist"
+version = "3.6.1"
+description = "pytest xdist plugin for distributed testing, most importantly across multiple CPUs"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "pytest_xdist-3.6.1-py3-none-any.whl", hash = "sha256:9ed4adfb68a016610848639bb7e02c9352d5d9f03d04809919e2dafc3be4cca7"},
+    {file = "pytest_xdist-3.6.1.tar.gz", hash = "sha256:ead156a4db231eec769737f57668ef58a2084a34b2e55c4a8fa20d861107300d"},
+]
+
+[package.dependencies]
+execnet = ">=2.1"
+psutil = {version = ">=3.0", optional = true, markers = "extra == \"psutil\""}
+pytest = ">=7.0.0"
+
+[package.extras]
+psutil = ["psutil (>=3.0)"]
+setproctitle = ["setproctitle"]
+testing = ["filelock"]
+
 [[package]]
 name = "python-dateutil"
 version = "2.9.0.post0"
@@ -4130,4 +4165,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9.0,<4.0"
-content-hash = "170eaa0e542a02d5f2fb0d42d1f04c5d010bd3735a44b927b28e6b742c689eb0"
+content-hash = "5fb6190a1b01d0cd351ea9a0023c8c8d6acf4fe831101ab87f9fc41308f74b74"
diff --git a/libs/langgraph/pyproject.toml b/libs/langgraph/pyproject.toml
index 14c90c401..7b4ab2078 100644
--- a/libs/langgraph/pyproject.toml
+++ b/libs/langgraph/pyproject.toml
@@ -31,6 +31,7 @@ langchainhub = "^0.1.14"
 langchain-openai = ">=0.1.2"
 langchain-anthropic = ">=0.1.8"
 dataclasses-json = "^0.6.7"
+pytest-xdist = {extras = ["psutil"], version = "^3.6.1"}
 
 [tool.poetry.group.dev]
 optional = true
@@ -61,7 +62,7 @@ omit = ["tests/*"]
 [tool.pytest-watcher]
 now = true
 delay = 0.1
-runner_args = ["-x", "--ff", "-vv", "--snapshot-update"]
+runner_args = ["-x", "--ff", "-v", "-n", "auto", "--dist", "worksteal", "--snapshot-update", "--tb", "short"]
 patterns = ["*.py"]
 
 [build-system]