diff --git a/.cmake.conf b/.cmake.conf
index 1e8f9c2cf15..c63b920383b 100644
--- a/.cmake.conf
+++ b/.cmake.conf
@@ -36,17 +36,22 @@ set(QT_SUPPORTED_MIN_CMAKE_VERSION_FOR_USING_QT_APPLE "3.21")
 set(QT_MIN_NEW_POLICY_CMAKE_VERSION "3.16")
 set(QT_MAX_NEW_POLICY_CMAKE_VERSION "3.21")
 
-# These should be updated together with the documentation in
-# qtdoc/doc/src/platforms/supported-platforms.qdocinc
+# Apple version constraints. Used when building Qt and documentation
 set(QT_SUPPORTED_MIN_MACOS_SDK_VERSION "14")
 set(QT_SUPPORTED_MAX_MACOS_SDK_VERSION "15")
 set(QT_SUPPORTED_MIN_MACOS_XCODE_VERSION "15")
+set(QT_SUPPORTED_MIN_MACOS_VERSION "12")
+set(QT_SUPPORTED_MAX_MACOS_VERSION_TESTED "15")
 
 set(QT_SUPPORTED_MIN_IOS_SDK_VERSION "17")
 set(QT_SUPPORTED_MAX_IOS_SDK_VERSION "18")
 set(QT_SUPPORTED_MIN_IOS_XCODE_VERSION "15")
+set(QT_SUPPORTED_MIN_IOS_VERSION "16")
+set(QT_SUPPORTED_MAX_IOS_VERSION_TESTED "18")
 
 set(QT_SUPPORTED_MIN_VISIONOS_SDK_VERSION "1")
 set(QT_SUPPORTED_MAX_VISIONOS_SDK_VERSION "2")
 set(QT_SUPPORTED_MIN_VISIONOS_XCODE_VERSION "15")
+set(QT_SUPPORTED_MIN_VISIONOS_VERSION "1")
+set(QT_SUPPORTED_MAX_VISIONOS_VERSION_TESTED "2")
 
diff --git a/cmake/QtAutoDetectHelpers.cmake b/cmake/QtAutoDetectHelpers.cmake
index 964edafecff..a3fe523f96b 100644
--- a/cmake/QtAutoDetectHelpers.cmake
+++ b/cmake/QtAutoDetectHelpers.cmake
@@ -260,9 +260,9 @@ function(qt_auto_detect_apple)
     if(NOT CMAKE_OSX_DEPLOYMENT_TARGET)
         if(NOT CMAKE_SYSTEM_NAME)
             # macOS
-            set(version "12.0")
+            set(version "${QT_SUPPORTED_MIN_MACOS_VERSION}")
         elseif(CMAKE_SYSTEM_NAME STREQUAL iOS)
-            set(version "16.0")
+            set(version "${QT_SUPPORTED_MIN_IOS_VERSION}")
         endif()
         if(version)
             set(CMAKE_OSX_DEPLOYMENT_TARGET "${version}" CACHE STRING "${description}")