diff --git a/swh/scanner/cli.py b/swh/scanner/cli.py
--- a/swh/scanner/cli.py
+++ b/swh/scanner/cli.py
@@ -9,6 +9,7 @@
 from typing import Any, Dict, Optional
 
 import click
+from importlib_metadata import version
 import yaml
 
 from swh.core import config
@@ -69,6 +70,9 @@
     type=click.Path(exists=False, dir_okay=False, path_type=str),
     help="""YAML configuration file""",
 )
+@click.version_option(
+    version=version("swh-scanner"), prog_name="swh-scanner",
+)
 @click.pass_context
 def scanner(ctx, config_file: Optional[str]):