diff --git a/bigfun/bigfunctions.py b/bigfun/bigfunctions.py
index 8e6e4fc97..9f5bf22f1 100644
--- a/bigfun/bigfunctions.py
+++ b/bigfun/bigfunctions.py
@@ -177,7 +177,9 @@ def _test_python_function_locally(self):
         with open(code_filename, 'w', encoding='utf-8') as out:
             out.write(code)
         print_info(f'Executing python code file {code_filename}')
-        os.system(f'python {code_filename}')
+        requirements = ' '.join([f'--with "{r.strip()}"' for r in self.config.get('requirements', '').split('\n')])
+        command = f'uv run --no-project  {requirements}  {code_filename}'
+        os.system(command)
 
     def deploy(self):
         self.config['dataset_location'] = self.dataset.location
diff --git a/pyproject.toml b/pyproject.toml
index 51af44bc8..5538214bd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ authors = [
 ]
 description = "Supercharge BigQuery with BigFunctions"
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 keywords = ["bigquery", "data", "analytics"]
 license = {text = "MIT"}
 classifiers = [
@@ -28,6 +28,7 @@ dependencies = [
     "click-help-colors",
     "vertexai",
     "cryptography",
+    "uv",
 ]
 dynamic = ["version"]