diff --git a/cmake/QtAutoDetect.cmake b/cmake/QtAutoDetect.cmake
index c1ef0cc344c..5b9a3c12fa4 100644
--- a/cmake/QtAutoDetect.cmake
+++ b/cmake/QtAutoDetect.cmake
@@ -314,7 +314,7 @@ function(qt_auto_detect_darwin)
         if(NOT CMAKE_OSX_DEPLOYMENT_TARGET)
             if(NOT CMAKE_SYSTEM_NAME)
                 # macOS
-                set(version "10.15")
+                set(version "11.0")
             elseif(CMAKE_SYSTEM_NAME STREQUAL iOS)
                 set(version "14.0")
             endif()
diff --git a/mkspecs/common/macx.conf b/mkspecs/common/macx.conf
index 230c412b43c..6760aa73130 100644
--- a/mkspecs/common/macx.conf
+++ b/mkspecs/common/macx.conf
@@ -5,7 +5,7 @@
 QMAKE_PLATFORM         += macos osx macx
 QMAKE_MAC_SDK           = macosx
 
-QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.15
+QMAKE_MACOSX_DEPLOYMENT_TARGET = 11
 
 QT_MAC_SDK_VERSION_MIN = 11