diff --git a/scripts/phenoimager2mc.py b/scripts/phenoimager2mc.py
index 4fda645..e6f63f8 100644
--- a/scripts/phenoimager2mc.py
+++ b/scripts/phenoimager2mc.py
@@ -59,6 +59,7 @@ def getOptions(myopts=None):
         default="99th",
         choices=["99th", "max"],
         help="Provide method to normalize marker intensities per channel. Options = [99th, max]")
+    standard.add_argument("--version", action="version", version="v0.2.1")
 
     # Tool Output
     output = parser.add_argument_group(title='Required output')
@@ -403,6 +404,8 @@ def main(args):
         :param args.output: file to save the output .tif files per cycle with OME-XML metadata. Will be created if not existent.
         
     """
+    # version
+    _version = 'v0.2.1'
     # Concatenate the tiles into a single stacked image
     concatenate_tiles(args.indir, args.output)
     # Normalize the image
@@ -464,7 +467,7 @@ def main(args):
 
 if __name__ == '__main__':
     """Tool is called on the command-line"""
-
+    _version = 'v0.2.1'
     args = getOptions()
     warnings.filterwarnings("ignore", category=DeprecationWarning)