diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index cf7975e896..858e4f6090 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -25,8 +25,9 @@ python = ">=3.8.1,<4.0.0"
 httpx = ">=0.23.0,<0.25.0"
 literalai = "0.0.103"
 dataclasses_json = "^0.5.7"
-# FastAPI 0.109.0 breaks socketio (alway 404)
-fastapi = ">=0.100,<0.109.0"
+fastapi = ">=0.100"
+# Starlette >= 0.33.0 breaks socketio (alway 404)
+starlette = "<0.33.0"
 uvicorn = "^0.25.0"
 fastapi-socketio = "^0.0.10"
 aiofiles = "^23.1.0"
@@ -50,8 +51,8 @@ pyjwt = "^2.8.0"
 optional = true
 
 [tool.poetry.group.tests.dependencies]
-openai = ">=1.1.0"
-langchain = "^0.0.350"
+openai = "^1.11.1"
+langchain = "^0.1.5"
 llama-index = "^0.9.15"
 transformers = "^4.30.1"
 matplotlib = "3.7.1"