diff --git a/fastchat/serve/gradio_web_server.py b/fastchat/serve/gradio_web_server.py
index 1346790e4..c58f5dd36 100644
--- a/fastchat/serve/gradio_web_server.py
+++ b/fastchat/serve/gradio_web_server.py
@@ -726,7 +726,7 @@ def build_single_model_ui(models, add_promotion_links=False):
             )
         with gr.Row():
             with gr.Accordion(
-                "🔍 Expand to see 20+ model descriptions",
+                f"🔍 Expand to see the descriptions of {len(models)} models",
                 open=False,
                 elem_id="model_description_accordion",
             ):
@@ -854,7 +854,7 @@ def build_demo(models):
                 state,
                 model_selector,
             ],
-            _js=load_js,
+            js=load_js,
         )
 
     return demo
diff --git a/pyproject.toml b/pyproject.toml
index ded93bde7..9de1931f8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
 
 [project.optional-dependencies]
 model_worker = ["accelerate>=0.21", "peft", "sentencepiece", "torch", "transformers>=4.31.0", "protobuf"]
-webui = ["gradio"]
+webui = ["gradio>=4.10"]
 train = ["einops", "flash-attn>=2.0", "wandb"]
 llm_judge = ["openai<1", "anthropic>=0.3", "ray"]
 dev = ["black==23.3.0", "pylint==2.8.2"]