{
  "uuid": "367614a3-1bd4-4835-89d4-d4367fb2c940",
  "shortName": "Big Datetime",
  "longName": "Big Datetime",
  "companyName": "Kipling Inscore",
  "versionCode": 4,
  "versionLabel": "2.1.1",
  "watchapp": {
    "watchface": true
  },
  "appKeys": {},
  "resources": {
    "media": [
      {
        "menuIcon": true,
        "type": "png",
        "name": "IMAGE_MENU_ICON",
        "file": "images/menu_icon_big_datetime.png"
      }
    ]
  }
}

{
  "uuid": "367614a3-1bd4-4835-89d4-d4367fb2c940",
  "shortName": "Big Datetime",
  "longName": "Big Datetime",
  "companyName": "Kipling Inscore",
  "versionCode": 4,
  "versionLabel": "2.2",
  "watchapp": {
    "watchface": true
  },
  "appKeys": {},
  "resources": {
    "media": [
      {
        "menuIcon": true,
        "type": "png",
        "name": "IMAGE_MENU_ICON",
        "file": "images/menu_icon_big_datetime.png"
      }
    ]
  }
}

Remove subminor version number, increment minor
Remove subminor version number, increment minor

Pebble Appstore called "2.1.1" an invalid format, but accepted "2.2"
