diff --git a/pyproject.toml b/pyproject.toml
index c234d0c5..b10f7305 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,10 +46,10 @@ test = [
     "isort==6.0.1",
     "mypy==1.17.1",
     "pytest-asyncio==0.26.0",
-    "pytest==8.4.1",
+    "pytest==8.4.2",
     "pytest-cov==7.0.0",
-    "langchain-tests==0.3.20",
-    "langgraph==0.6.5"
+    "langchain-tests==0.3.21",
+    "langgraph==0.6.6"
 ]
 
 [build-system]
diff --git a/requirements.txt b/requirements.txt
index 55636030..bb7ef0b1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ cloud-sql-python-connector[asyncpg]==1.18.4
 numpy==2.3.2; python_version >= "3.11"
 numpy==2.2.6; python_version == "3.10"
 numpy==2.0.2; python_version <= "3.9"
-langgraph==0.6.5
+langgraph==0.6.6
 langchain-postgres==0.0.15
diff --git a/samples/requirements.txt b/samples/requirements.txt
index db0df6bc..b6b27ad1 100644
--- a/samples/requirements.txt
+++ b/samples/requirements.txt
@@ -1,5 +1,5 @@
 google-cloud-aiplatform[reasoningengine,langchain]==1.97.0
 google-cloud-resource-manager==1.14.2
-langchain-community==0.3.27
-langchain-google-cloud-sql-pg==0.14.0
+langchain-community==0.3.29
+langchain-google-cloud-sql-pg==0.14.1
 langchain-google-vertexai==2.0.27