diff --git a/scripts/prune_logs.py b/scripts/prune_logs.py
index 2a285ee..b81d713 100644
--- a/scripts/prune_logs.py
+++ b/scripts/prune_logs.py
@@ -5,12 +5,15 @@ import time
 from pathlib import Path
 
 
-def prune(log_dir: Path, days: int) -> list[Path]:
+def prune(log_dir: Path, days: int, dry_run: bool = False) -> list[Path]:
     cutoff = time.time() - days * 86400
     removed = []
     for path in sorted(log_dir.glob("*.log")):
         if path.stat().st_mtime < cutoff:
-            path.unlink()
+            if dry_run:
+                print(f"would delete {path}")
+            else:
+                path.unlink()
             removed.append(path)
     return removed
 
@@ -19,9 +22,12 @@ def main(argv=None) -> int:
     parser = argparse.ArgumentParser(description=__doc__)
     parser.add_argument("log_dir", type=Path)
     parser.add_argument("--days", type=int, default=14)
+    parser.add_argument("--dry-run", action="store_true",
+                        help="list files that would be deleted without deleting them")
     args = parser.parse_args(argv)
-    removed = prune(args.log_dir, args.days)
-    print(f"removed {len(removed)} file(s)")
+    removed = prune(args.log_dir, args.days, dry_run=args.dry_run)
+    verb = "would remove" if args.dry_run else "removed"
+    print(f"{verb} {len(removed)} file(s)")
     return 0
 
 
diff --git a/tests/test_prune_logs.py b/tests/test_prune_logs.py
index de79c78..9165d62 100644
--- a/tests/test_prune_logs.py
+++ b/tests/test_prune_logs.py
@@ -18,3 +18,14 @@ def test_removes_only_old_logs(tmp_path):
     assert main([str(tmp_path), "--days", "14"]) == 0
     assert not old.exists()
     assert new.exists()
+
+
+def test_dry_run_lists_but_keeps_files(tmp_path, capsys):
+    old = tmp_path / "old.log"
+    old.write_text("x")
+    _old(old, 30)
+    assert main([str(tmp_path), "--days", "14", "--dry-run"]) == 0
+    assert old.exists()
+    out = capsys.readouterr().out
+    assert f"would delete {old}" in out
+    assert "would remove 1 file(s)" in out