diff --git a/dv_check.py b/dv_check.py
index 0bf6f99..01dcf76 100644
--- a/dv_check.py
+++ b/dv_check.py
@@ -35,6 +35,9 @@ def parse_arguments() -> Tuple[Path, Path, Path, bool, bool, Path]:
     parser.add_argument(
         "-w", "--working-dir", type=str, help="Directory to store working files in."
     )
+    parser.add_argument(
+        "-v", "--version", action="version", version=f"%(prog)s {__version__}"
+    )
     parser.add_argument("input", type=str, help="Path to input file.")
 
     args = parser.parse_args()