diff --git a/Tiltfile b/Tiltfile
index b219bde..aa94500 100644
--- a/Tiltfile
+++ b/Tiltfile
@@ -38,7 +38,7 @@ if run_ui_locally:
         name="gradio-app-venv",
         deps=[requirements],
         cmd=" && ".join([
-            "([[ -d {} ]] || python3 -m venv {})".format(venv_name, venv_name),
+            "([[ -d {} ]] || python3.11 -m venv {})".format(venv_name, venv_name),
             "source {}/bin/activate".format(venv_name),
             "pip install -r {}".format(requirements),
         ])
@@ -54,4 +54,4 @@ if run_ui_locally:
             "cd chart/web-app",
             "python3 app.py {} localhost".format(hf_model),
         ])
-    )
\ No newline at end of file
+    )
diff --git a/chart/values.yaml b/chart/values.yaml
index b52a461..9295971 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -35,7 +35,7 @@ api:
   # Container image config
   image:
     repository: vllm/vllm-openai
-    version: v0.3.2
+    version: v0.4.1
   monitoring:
     enabled: true
   # Service config