diff --git a/python/pyproject.toml b/python/pyproject.toml
index a932a263e..95ec66102 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -16,13 +16,14 @@ classifiers = [
 dependencies = [
     "requests",
     "tqdm",
+    "numpy",
 ]
 
 [project.optional-dependencies]
 srt = ["aiohttp", "fastapi", "psutil", "rpyc", "torch", "uvloop", "uvicorn",
        "zmq", "vllm==0.4.3", "interegular", "pydantic", "pillow", "packaging", "huggingface_hub", "hf_transfer", "outlines>=0.0.34"]
-openai = ["openai>=1.0", "numpy", "tiktoken"]
-anthropic = ["anthropic>=0.20.0", "numpy"]
+openai = ["openai>=1.0", "tiktoken"]
+anthropic = ["anthropic>=0.20.0"]
 litellm = ["litellm>=1.0.0"]
 all = ["sglang[srt]", "sglang[openai]", "sglang[anthropic]", "sglang[litellm]"]