diff --git a/evals/swe-bench/run_eval.py b/evals/swe-bench/run_eval.py
index 19125f30d..d1fc3f89d 100644
--- a/evals/swe-bench/run_eval.py
+++ b/evals/swe-bench/run_eval.py
@@ -388,7 +388,7 @@ def main():
         "--provider", default="anthropic", help="LLM provider",
     )
     parser.add_argument(
-        "--max-workers", type=int, default=100,
+        "--max-workers", type=int, default=75,
         help="Max concurrent sandboxes (default 100)",
     )
     parser.add_argument(