diff --git a/src/corelib/global/qoperatingsystemversion.cpp b/src/corelib/global/qoperatingsystemversion.cpp
index 9c3f7be1536..a7d8dcfca30 100644
--- a/src/corelib/global/qoperatingsystemversion.cpp
+++ b/src/corelib/global/qoperatingsystemversion.cpp
@@ -576,6 +576,12 @@ const QOperatingSystemVersionBase QOperatingSystemVersion::MacOSVentura;
     \since 6.8
 */
 
+/*!
+    \variable QOperatingSystemVersion::MacOSTahoe
+    \brief a version corresponding to macOS Tahoe (version 26).
+    \since 6.10
+*/
+
 /*!
     \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 e02266a1378..6a67b54e01f 100644
--- a/src/corelib/global/qoperatingsystemversion.h
+++ b/src/corelib/global/qoperatingsystemversion.h
@@ -144,6 +144,7 @@ public:
     // ### Qt7: Regroup with the rest below
     static constexpr QOperatingSystemVersionBase MacOSSonoma { QOperatingSystemVersionBase::MacOS, 14, 0 };
     static constexpr QOperatingSystemVersionBase MacOSSequoia { QOperatingSystemVersionBase::MacOS, 15, 0 };
+    static constexpr QOperatingSystemVersionBase MacOSTahoe { QOperatingSystemVersionBase::MacOS, 26, 0 };
     static constexpr QOperatingSystemVersionBase Android14 { QOperatingSystemVersionBase::Android, 14, 0 };
     static constexpr QOperatingSystemVersionBase Windows11_23H2 { QOperatingSystemVersionBase::Windows, 10, 0, 22631 };
     static constexpr QOperatingSystemVersionBase Windows11_24H2 { QOperatingSystemVersionBase::Windows, 10, 0, 26100 };
diff --git a/src/corelib/global/qsysinfo.cpp b/src/corelib/global/qsysinfo.cpp
index 32bd91c460b..abc07db3e35 100644
--- a/src/corelib/global/qsysinfo.cpp
+++ b/src/corelib/global/qsysinfo.cpp
@@ -111,6 +111,7 @@ static const char *osVer_helper(QOperatingSystemVersion version = QOperatingSyst
     case 13: return "Ventura";
     case 14: return "Sonoma";
     case 15: return "Sequoia";
+    case 26: return "Tahoe";
     default:
         // Unknown, future version
         break;