diff --git a/duplicate_check.py b/duplicate_check.py
index ab314d1..280e5eb 100644
--- a/duplicate_check.py
+++ b/duplicate_check.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 
 # Duplicate Check
-# Version: 0.11.0
+# Version: 0.12.0
 
 # Copyright 2025 Jake Winters
 # SPDX-License-Identifier: BSD-3-Clause
@@ -13,6 +13,7 @@ import argparse
 
 
 parser = argparse.ArgumentParser(description='Scan directory for duplicate files and delete them.')
+parser.add_argument('--dry-run', '-d', action='store_true', help='Detect duplicates without deletion.')
 
 
 def hash_file(file_path):