diff --git a/sweep_layouts.py b/sweep_layouts.py
index 159ea49..3fc2f0c 100644
--- a/sweep_layouts.py
+++ b/sweep_layouts.py
@@ -8,7 +8,7 @@
 from pathlib import Path
 from typing import List, Dict, Any
 
-
+__version__ = "0.1.0"
 def parse_args() -> argparse.Namespace:
     parser = argparse.ArgumentParser(
         description="Sweep state_commitment_layout over leaf counts + fanouts."