diff --git a/5.15.9/qtbase/src/corelib/global/qoperatingsystemversion.cpp b/5.15.9/qtbase/src/corelib/global/qoperatingsystemversion.cpp
index 1a76352..3d55732 100644
--- a/5.15.9/qtbase/src/corelib/global/qoperatingsystemversion.cpp
+++ b/5.15.9/qtbase/src/corelib/global/qoperatingsystemversion.cpp
@@ -470,6 +470,10 @@ const QOperatingSystemVersion QOperatingSystemVersion::MacOSBigSur = [] {
         return QOperatingSystemVersion(QOperatingSystemVersion::MacOS, 10, 16);
 }();
 
+const QOperatingSystemVersion QOperatingSystemVersion::MacOSMonterey = [] {
+        return QOperatingSystemVersion(QOperatingSystemVersion::MacOS, 12, 0);
+}();
+
 /*!
     \variable QOperatingSystemVersion::AndroidJellyBean
     \brief a version corresponding to Android Jelly Bean (version 4.1, API level 16).
diff --git a/5.15.9/qtbase/src/corelib/global/qoperatingsystemversion.h b/5.15.9/qtbase/src/corelib/global/qoperatingsystemversion.h
index abd818a..69e5041 100644
--- a/5.15.9/qtbase/src/corelib/global/qoperatingsystemversion.h
+++ b/5.15.9/qtbase/src/corelib/global/qoperatingsystemversion.h
@@ -73,6 +73,7 @@ public:
     static const QOperatingSystemVersion MacOSMojave;
     static const QOperatingSystemVersion MacOSCatalina;
     static const QOperatingSystemVersion MacOSBigSur;
+    static const QOperatingSystemVersion MacOSMonterey;
 
     static const QOperatingSystemVersion AndroidJellyBean;
     static const QOperatingSystemVersion AndroidJellyBean_MR1;