diff --git a/misp_stix_converter/__init__.py b/misp_stix_converter/__init__.py
index 458359b..e4ed0e4 100644
--- a/misp_stix_converter/__init__.py
+++ b/misp_stix_converter/__init__.py
@@ -47,6 +47,10 @@ def _handle_return_message(traceback):
 
 def main():
     parser = argparse.ArgumentParser(description='Convert MISP <-> STIX')
+    parser.add_argument(
+        '-v', '--version', action='version',
+        version=f'{parser.prog} {__version__}'
+    )
     parser.add_argument(
         '--debug', action='store_true', help='Show errors and warnings'
     )