diff --git a/pyproject.toml b/pyproject.toml
index 5bce61ce..727b602e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,8 +41,8 @@ Changelog = "https://github.com/googleapis/langchain-google-cloud-sql-pg-python/
 test = [
     "black[jupyter]==25.1.0",
     "isort==6.0.0",
-    "mypy==1.13.0",
-    "pytest-asyncio==0.24.0",
+    "mypy==1.15.0",
+    "pytest-asyncio==0.25.3",
     "pytest==8.3.4",
     "pytest-cov==6.0.0"
 ]
diff --git a/requirements.txt b/requirements.txt
index 79e8db67..502d9c3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-cloud-sql-python-connector[asyncpg]==1.14.0
-langchain-core==0.3.22
+cloud-sql-python-connector[asyncpg]==1.17.0
+langchain-core==0.3.40
 numpy==1.26.4
 pgvector==0.3.6
-SQLAlchemy[asyncio]==2.0.36
+SQLAlchemy[asyncio]==2.0.38
diff --git a/samples/index_tuning_sample/requirements.txt b/samples/index_tuning_sample/requirements.txt
index 9351541e..19489979 100644
--- a/samples/index_tuning_sample/requirements.txt
+++ b/samples/index_tuning_sample/requirements.txt
@@ -1,3 +1,3 @@
-langchain-community==0.3.16
-langchain-google-cloud-sql-pg==0.11.1
-langchain-google-vertexai==2.0.12
+langchain-community==0.3.18
+langchain-google-cloud-sql-pg==0.12.1
+langchain-google-vertexai==2.0.14
diff --git a/samples/langchain_on_vertexai/requirements.txt b/samples/langchain_on_vertexai/requirements.txt
index 090f6c2e..153755af 100644
--- a/samples/langchain_on_vertexai/requirements.txt
+++ b/samples/langchain_on_vertexai/requirements.txt
@@ -1,5 +1,5 @@
-google-cloud-aiplatform[reasoningengine,langchain]==1.79.0
-google-cloud-resource-manager==1.14.0
-langchain-community==0.3.16
-langchain-google-cloud-sql-pg==0.11.1
-langchain-google-vertexai==2.0.12
+google-cloud-aiplatform[reasoningengine,langchain]==1.81.0
+google-cloud-resource-manager==1.14.1
+langchain-community==0.3.18
+langchain-google-cloud-sql-pg==0.12.1
+langchain-google-vertexai==2.0.14
diff --git a/samples/requirements.txt b/samples/requirements.txt
index 090f6c2e..153755af 100644
--- a/samples/requirements.txt
+++ b/samples/requirements.txt
@@ -1,5 +1,5 @@
-google-cloud-aiplatform[reasoningengine,langchain]==1.79.0
-google-cloud-resource-manager==1.14.0
-langchain-community==0.3.16
-langchain-google-cloud-sql-pg==0.11.1
-langchain-google-vertexai==2.0.12
+google-cloud-aiplatform[reasoningengine,langchain]==1.81.0
+google-cloud-resource-manager==1.14.1
+langchain-community==0.3.18
+langchain-google-cloud-sql-pg==0.12.1
+langchain-google-vertexai==2.0.14