diff --git a/game/version.py b/game/version.py
index 2c886538..67812355 100644
--- a/game/version.py
+++ b/game/version.py
@@ -53,4 +53,4 @@ VERSION = _build_version_string()
 #:   by a blue circular TriggerZone, campaign creation will fail.  Blue circular
 #:   TriggerZones must also have their first property's value field define the type of
 #:   objective (a valid value for a building TGO category, from `game.db.PRICES`).
-CAMPAIGN_FORMAT_VERSION = 4
+CAMPAIGN_FORMAT_VERSION = (4, 0)
diff --git a/qt_ui/windows/newgame/QCampaignList.py b/qt_ui/windows/newgame/QCampaignList.py
index 45ac295b..85d3f0d1 100644
--- a/qt_ui/windows/newgame/QCampaignList.py
+++ b/qt_ui/windows/newgame/QCampaignList.py
@@ -4,15 +4,16 @@ import json
 import logging
 from dataclasses import dataclass
 from pathlib import Path
-from typing import Any, Dict, List, Optional, Union
+from typing import Any, Dict, List, Union, Tuple
 
+import packaging.version
 from PySide2 import QtGui
 from PySide2.QtCore import QItemSelectionModel
 from PySide2.QtGui import QStandardItem, QStandardItemModel
 from PySide2.QtWidgets import QAbstractItemView, QListView
 
 import qt_ui.uiconstants as CONST
-from game.theater import ConflictTheater, MizCampaignLoader
+from game.theater import ConflictTheater
 from game.version import CAMPAIGN_FORMAT_VERSION
 
 PERF_FRIENDLY = 0
@@ -31,7 +32,7 @@ class Campaign:
     #: The revision of the campaign format the campaign was built for. We do not attempt
     #: to migrate old campaigns, but this is used to show a warning in the UI when
     #: selecting a campaign that is not up to date.
-    version: int
+    version: Tuple[int, int]
 
     recommended_player_faction: str
     recommended_enemy_faction: str
@@ -45,12 +46,20 @@ class Campaign:
             data = json.load(campaign_file)
 
         sanitized_theater = data["theater"].replace(" ", "")
+        version_field = data.get("version", "0")
+        try:
+            version = packaging.version.parse(version_field)
+        except TypeError:
+            logging.warning(
+                f"Non-string campaign version in {path}. Parse may be incorrect."
+            )
+            version = packaging.version.parse(str(version_field))
         return cls(
             data["name"],
             f"Terrain_{sanitized_theater}",
             data.get("authors", "???"),
             data.get("description", ""),
-            data.get("version", 0),
+            (version.major, version.minor),
             data.get("recommended_player_faction", "USA 2005"),
             data.get("recommended_enemy_faction", "Russia 1990"),
             data.get("performance", 0),
@@ -63,8 +72,15 @@ class Campaign:
 
     @property
     def is_out_of_date(self) -> bool:
-        """Returns True if this campaign is not up to date with the latest format."""
-        return self.version < CAMPAIGN_FORMAT_VERSION
+        """Returns True if this campaign is not up to date with the latest format.
+
+        This is more permissive than is_from_future, which is sensitive to minor version
+        bumps (the old game definitely doesn't support the minor features added in the
+        new version, and the campaign may require them. However, the minor version only
+        indicates *optional* new features, so we do not need to mark out of date
+        campaigns as incompatible if they are within the same major version.
+        """
+        return self.version[0] < CAMPAIGN_FORMAT_VERSION[0]
 
     @property
     def is_from_future(self) -> bool:
diff --git a/requirements.txt b/requirements.txt
index d1698206..7919eb1f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,12 +13,14 @@ MarkupSafe==1.1.1
 mypy==0.812
 mypy-extensions==0.4.3
 nodeenv==1.5.0
+packaging==20.9
 pathspec==0.8.1
 pefile==2019.4.18
 Pillow==8.1.1
 pre-commit==2.10.1
 pyinstaller==4.3
 pyinstaller-hooks-contrib==2021.1
+pyparsing==2.4.7
 pyproj==3.0.1
 PySide2==5.15.2
 pywin32-ctypes==0.2.0