diff --git a/samples/langchain_on_vertexai/create_embeddings.py b/samples/langchain_on_vertexai/create_embeddings.py
index 370d8262..fdb3b50e 100644
--- a/samples/langchain_on_vertexai/create_embeddings.py
+++ b/samples/langchain_on_vertexai/create_embeddings.py
@@ -114,7 +114,12 @@ async def grant_select(engine):
     )
 
     ids = [str(uuid.uuid4()) for i in range(len(docs))]
-    await vector_store.aadd_documents(docs, ids=ids)
+    batch_size = 100
+    for i in range(0, len(docs), batch_size):
+        batch_docs = docs[i : i + batch_size]
+        batch_ids = ids[i : i + batch_size]
+        print(f"Adding batch {i // batch_size + 1} ({len(batch_docs)} documents)...")
+        await vector_store.aadd_documents(batch_docs, ids=batch_ids)
 
 
 async def main():
diff --git a/samples/langchain_on_vertexai/requirements.txt b/samples/langchain_on_vertexai/requirements.txt
index 064bf76a..5f476db6 100644
--- a/samples/langchain_on_vertexai/requirements.txt
+++ b/samples/langchain_on_vertexai/requirements.txt
@@ -1,5 +1,5 @@
-google-cloud-aiplatform[reasoningengine,langchain]==1.121.0
+google-cloud-aiplatform[reasoningengine]==1.130.0
 google-cloud-resource-manager==1.14.2
-langchain-community==0.3.31
-langchain-google-cloud-sql-pg==0.14.1
-langchain-google-vertexai==2.1.2
+langchain-community==0.4.1
+langchain-google-cloud-sql-pg==0.15.0
+langchain-google-vertexai==3.2.1