diff --git a/.gitignore b/.gitignore
index 5817915..4935eb9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@ tests/test_analyze_affinity_policy.py
 
 # Simulation output
 /runs/
+.worktrees/
 
 # Editor / IDE
 .vscode/