diff --git a/group_identifier_assigner.py b/group_identifier_assigner.py
old mode 100644
new mode 100755
index 950e045..7eae705
--- a/group_identifier_assigner.py
+++ b/group_identifier_assigner.py
@@ -264,3 +264,4 @@ def main(args):
     except urllib.error.HTTPError as e:
         print(e, file=sys.stderr)
         sys.exit(1)
+