diff --git a/nanobot/agent/loop.py b/nanobot/agent/loop.py
index 775ede6..22e3315 100644
--- a/nanobot/agent/loop.py
+++ b/nanobot/agent/loop.py
@@ -42,7 +42,7 @@ class AgentLoop:
         workspace: Path,
         model: str | None = None,
         max_iterations: int = 20,
-        temperature = 0.7
+        temperature: float = 0.7,
         memory_window: int = 50,
         brave_api_key: str | None = None,
         exec_config: "ExecToolConfig | None" = None,