diff --git a/README.md b/README.md
index 646c867..bbd8292 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,7 @@ Minimal:  ena-upoad-cli --action {add,modify,cancel,release} --center CENTER_NAM
 
 All supported arguments:
   -h, --help            show this help message and exit
+  --version             show program's version number and exit
   --action {add,modify,cancel,release}
                          add: add an object to the archive
                          modify: modify an object in the archive
diff --git a/ena_upload/ena_upload.py b/ena_upload/ena_upload.py
index e673932..5b8476f 100755
--- a/ena_upload/ena_upload.py
+++ b/ena_upload/ena_upload.py
@@ -541,7 +541,7 @@ def process_args():
                                      corresponding the ENA objects -- STUDY,
                                      SAMPLE, EXPERIMENT and RUN.''',
                                      formatter_class=SmartFormatter)
-
+    parser.add_argument('--version', action='version', version='%(prog)s 0.3.0')
     parser.add_argument('--action',
                         choices=['add', 'modify', 'cancel', 'release'],
                         required=True,