diff --git a/src/corelib/global/qoperatingsystemversion.cpp b/src/corelib/global/qoperatingsystemversion.cpp
index 3942e0e9bb..b714451056 100644
--- a/src/corelib/global/qoperatingsystemversion.cpp
+++ b/src/corelib/global/qoperatingsystemversion.cpp
@@ -543,6 +543,14 @@ const QOperatingSystemVersion QOperatingSystemVersion::MacOSBigSur = [] {
         return QOperatingSystemVersion(QOperatingSystemVersion::MacOS, 10, 16);
 }();
 
+/*!
+    \variable QOperatingSystemVersion::MacOSMonterey
+    \brief a version corresponding to macOS Monterey (version 12).
+    \since 6.3
+ */
+const QOperatingSystemVersion QOperatingSystemVersion::MacOSMonterey =
+    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/src/corelib/global/qoperatingsystemversion.h b/src/corelib/global/qoperatingsystemversion.h
index 040df61de4..0218b74d7f 100644
--- a/src/corelib/global/qoperatingsystemversion.h
+++ b/src/corelib/global/qoperatingsystemversion.h
@@ -171,6 +171,7 @@ 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;
@@ -201,6 +202,7 @@ public:
     static constexpr QOperatingSystemVersionBase MacOSCatalina { QOperatingSystemVersionBase::MacOS, 10, 15 };
 #if QT_MACOS_PLATFORM_SDK_EQUAL_OR_ABOVE(__MAC_11_0)
     static constexpr QOperatingSystemVersionBase MacOSBigSur = { QOperatingSystemVersionBase::MacOS, 11, 0 };
+    static constexpr QOperatingSystemVersionBase MacOSMonterey = { QOperatingSystemVersionBase::MacOS, 12, 0 };
 #else // ### Qt 7: Verify the assumption
 #   error Either you are using an outdated SDK or my assumption that Qt7 would require at least 11.0 was wrong
 #endif