diff --git a/pyproject.toml b/pyproject.toml
index 75f5c03c..95a076ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,8 +12,8 @@ dependencies = [
     "google-cloud-alloydb-connector[asyncpg]>=1.2.0, <2.0.0",
     "google-cloud-storage>=2.18.2, <4.0.0",
     "numpy>=1.24.4, <3.0.0; python_version >= '3.11'",
-    "numpy>=1.24.4, <=2.2.6; python_version == '3.10'",
-    "numpy>=1.24.4, <=2.0.2; python_version <= '3.9'",
+    "numpy>=2.3.2, <=2.3.2; python_version == '3.10'",
+    "numpy>=2.3.2, <=2.3.2; python_version <= '3.9'",
     "langchain-postgres>=0.0.15",
 ]
 
@@ -45,8 +45,8 @@ langgraph = [
 test = [
     "black[jupyter]==25.1.0",
     "isort==6.0.1",
-    "langgraph==0.6.0",
-    "mypy==1.15.0",
+    "langgraph==0.6.5",
+    "mypy==1.17.1",
     "pytest-asyncio==0.26.0",
     "pytest==8.4.1",
     "pytest-cov==6.2.1",
diff --git a/requirements.txt b/requirements.txt
index 8afe1644..28e6be31 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 google-cloud-alloydb-connector[asyncpg]==1.9.0
-google-cloud-storage==3.1.1
-numpy==2.3.1; python_version >= "3.11"
-numpy==2.2.6; python_version == "3.10"
-numpy==2.0.2; python_version <= "3.9"
-langgraph==0.6.0
+google-cloud-storage==3.3.0
+numpy==2.3.2; python_version >= "3.11"
+numpy==2.3.2; python_version == "3.10"
+numpy==2.3.2; python_version <= "3.9"
+langgraph==0.6.5
 langchain-postgres==0.0.15
\ No newline at end of file
diff --git a/samples/index_tuning_sample/requirements.txt b/samples/index_tuning_sample/requirements.txt
index 585ec6fd..15e44eb1 100644
--- a/samples/index_tuning_sample/requirements.txt
+++ b/samples/index_tuning_sample/requirements.txt
@@ -1,3 +1,3 @@
 langchain-google-alloydb-pg==0.12.0
-langchain==0.3.26
-langchain-google-vertexai==2.0.20
\ No newline at end of file
+langchain==0.3.27
+langchain-google-vertexai==2.0.28
\ No newline at end of file
diff --git a/samples/langchain_on_vertexai/requirements.txt b/samples/langchain_on_vertexai/requirements.txt
index 31b6f3e0..eefcdafd 100644
--- a/samples/langchain_on_vertexai/requirements.txt
+++ b/samples/langchain_on_vertexai/requirements.txt
@@ -1,8 +1,8 @@
-google-cloud-aiplatform[reasoningengine,langchain]==1.90.0
+google-cloud-aiplatform[reasoningengine,langchain]==1.109.0
 langchain-google-alloydb-pg==0.12.0
-langchain-google-vertexai==2.0.20
+langchain-google-vertexai==2.0.28
 google-cloud-resource-manager==1.14.2
-langchain-community==0.3.26
+langchain-community==0.3.27
 # Required to fix: "PydanticUndefinedAnnotation: name 'SafetySetting' is not defined"
 # Todo: remove after upstream issue is fixed: https://github.com/langchain-ai/langchain/issues/28271
 pydantic==2.11.7
diff --git a/samples/migrations/requirements.txt b/samples/migrations/requirements.txt
index 143025c7..42395e4d 100644
--- a/samples/migrations/requirements.txt
+++ b/samples/migrations/requirements.txt
@@ -1,13 +1,13 @@
-langchain-chroma==0.2.3
-langchain-core==0.3.55
-langchain-google-alloydb-pg==0.10.0
-langchain-milvus==0.1.9
-langchain-pinecone==0.2.3
+langchain-chroma==0.2.5
+langchain-core==0.3.74
+langchain-google-alloydb-pg==0.12.0
+langchain-milvus==0.2.1
+langchain-pinecone==0.2.11
 langchain-qdrant==0.2.0
-langchain-weaviate==0.0.4
+langchain-weaviate==0.0.5
 pinecone-client==6.0.0
-pymilvus==2.5.6
+pymilvus==2.6.0
 pytest-asyncio==0.26.0
-pytest==8.3.5
-qdrant-client==1.14.1
-weaviate-client==4.14.0
+pytest==8.4.1
+qdrant-client==1.15.1
+weaviate-client==4.16.7
diff --git a/samples/requirements.txt b/samples/requirements.txt
index c9542f69..21ba69a0 100644
--- a/samples/requirements.txt
+++ b/samples/requirements.txt
@@ -1,5 +1,5 @@
-google-cloud-aiplatform[reasoningengine,langchain]==1.90.0
+google-cloud-aiplatform[reasoningengine,langchain]==1.109.0
 google-cloud-resource-manager==1.14.2
-langchain-community==0.3.26
+langchain-community==0.3.27
 langchain-google-alloydb-pg==0.12.0
-langchain-google-vertexai==2.0.20
+langchain-google-vertexai==2.0.28