diff --git a/pyproject.toml b/pyproject.toml
index 8cbe14a..9929442 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,6 +2,7 @@
 name = "codex-supervisor"
 version = "0.1.0"
 description = "AI Security Testing Supervisor for Codex instances"
+requires-python = ">=3.12"
 dependencies = [
     "pyyaml>=6.0",
     "psutil>=5.9.0",
@@ -23,8 +24,8 @@ packages = ["supervisor"]
 [project.scripts]
 codex-supervisor = "supervisor.supervisor:cli_main"
 
-[tool.uv]
-dev-dependencies = [
+[dependency-groups]
+dev = [
     "pytest>=7.0.0",
     "pytest-asyncio>=0.21.0",
 ]