diff --git a/llm_demo/requirements.txt b/llm_demo/requirements.txt
index 6a26693c..abb429f4 100644
--- a/llm_demo/requirements.txt
+++ b/llm_demo/requirements.txt
@@ -1,18 +1,18 @@
 fastapi==0.109.2
 google-auth==2.33.0
-google-cloud-aiplatform[rapid_evaluation]==1.62.0
+google-cloud-aiplatform[rapid_evaluation]==1.66.0
 itsdangerous==2.2.0
 jinja2==3.1.4
-langchain-community==0.2.9
-langchain==0.2.11
-langchain-google-vertexai==1.0.7
+langchain-community==0.3.0
+langchain==0.3.0
+langchain-google-vertexai==2.0.0
 markdown==3.5.2
 types-Markdown==3.5.0.20240129
 uvicorn[standard]==0.27.0.post1
 python-multipart==0.0.7
 pytz==2024.2
 types-pytz==2024.1.0.20240417
-langgraph==0.1.16
+langgraph==0.2.34
 httpx==0.27.0
 pandas-stubs==2.2.2.240603
 pandas==2.1.4
diff --git a/retrieval_service/requirements-test.txt b/retrieval_service/requirements-test.txt
index 80dbd913..73f0a44d 100644
--- a/retrieval_service/requirements-test.txt
+++ b/retrieval_service/requirements-test.txt
@@ -1,6 +1,6 @@
 asyncpg-stubs==0.29.1
 black==24.3.0
-httpx==0.26.0
+httpx==0.27.0
 isort==5.13.2
 mypy==1.8.0
 pytest-asyncio==0.23.6
diff --git a/retrieval_service/requirements.txt b/retrieval_service/requirements.txt
index 321a3d86..eb2a6a2d 100644
--- a/retrieval_service/requirements.txt
+++ b/retrieval_service/requirements.txt
@@ -2,9 +2,9 @@ asyncpg==0.29.0
 fastapi==0.109.2
 google-auth==2.33.0
 google-cloud-firestore==2.17.1
-google-cloud-aiplatform==1.60.0
+google-cloud-aiplatform==1.66.0
 google-cloud-spanner==3.46.0
-langchain-core==0.2.24
+langchain-core==0.3.1
 pgvector==0.2.5
 pydantic==2.6.1
 uvicorn[standard]==0.27.0.post1
@@ -13,8 +13,8 @@ google-cloud-alloydb-connector[asyncpg]==1.2.0
 sqlalchemy==2.0.25
 pandas==2.2.2
 pandas-stubs==2.2.2.240807
-langchain-text-splitters==0.2.2
-langchain-google-vertexai==1.0.7
+langchain-text-splitters==0.3.0
+langchain-google-vertexai==2.0.0
 asyncio==3.4.3
 datetime==5.5
 pymysql==1.1.1