...and there's a version string in the code that was never updated

partdb_labeler/partdb_labeler.py

@@ -115,7 +115,7 @@ def cli():
     parser.add_argument("-p", help="PartDB base URL")
     parser.add_argument("-k", help="PartDB API key")
     parser.add_argument("-r", help="printer resolution (default: 203 dpi)", type=int)
-    parser.add_argument('-v', action='version', version='%(prog)s 0.1.2')
+    parser.add_argument('-v', action='version', version='%(prog)s 0.3.1')
     args=parser.parse_args()
     id=args.id
     if args.x==None:

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "partdb_labeler"
-version = "0.3"
+version = "0.3.1"
 authors = [
     {name = "Scott Alfter", email = "scott@alfter.us"},
 ]