diff --git a/poetry.lock b/poetry.lock
index 4f260d6..afb21c4 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2271,4 +2271,4 @@ cffi = ["cffi (>=1.11)"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.13"
-content-hash = "b9486e3c4402d599caff2d67ba7462af92b4fdd046256e507483f460e5d7645e"
+content-hash = "065903b047fb88be4267859ff3e6a979da0c52e424237048ed004ca717c1cf5a"
diff --git a/pyproject.toml b/pyproject.toml
index 5dbe1c6..d4ee3ca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,8 +21,8 @@ python = ">=3.9,<3.13"
 langgraph-checkpoint = "^2.0.10"
 redisvl = "^0.3.9"
 redis = "^5.2.1"
+langgraph = "^0.2.70"
 
-isort = "^6.0.0"
 [tool.poetry.group.dev.dependencies]
 black = "^25.1.0"
 codespell = "^2.2.0"
@@ -35,9 +35,9 @@ mypy = "^1.10.0"
 types-redis = "^4.6.0.20241004"
 aioconsole = "^0.8.1"
 langchain-openai = "^0.3.2"
-langgraph = "^0.2.67"
 testcontainers = "^4.9.1"
 langchain-anthropic = "^0.3.5"
+isort = "^6.0.0"
 
 [tool.pytest.ini_options]
 # --strict-markers will raise errors on unknown marks.