diff --git a/Source/WebCore/PlatformQt.cmake b/Source/WebCore/PlatformQt.cmake
index e787b33c375aa..59599cbfbbe1f 100644
--- a/Source/WebCore/PlatformQt.cmake
+++ b/Source/WebCore/PlatformQt.cmake
@@ -311,6 +311,13 @@ list(APPEND WebCore_LIBRARIES
     ${ZLIB_LIBRARIES}
 )
 
+if (Qt6Gui_VERSION VERSION_GREATER_EQUAL 6.10)
+    list(APPEND WebCore_PRIVATE_LIBRARIES Qt6::GuiPrivate)
+endif ()
+if (Qt6Network_VERSION VERSION_GREATER_EQUAL 6.10)
+    list(APPEND WebCore_PRIVATE_LIBRARIES Qt6::NetworkPrivate)
+endif ()
+
 if (QT_STATIC_BUILD)
     list(APPEND WebCore_LIBRARIES
         ${STATIC_LIB_DEPENDENCIES}
diff --git a/Source/cmake/OptionsQt.cmake b/Source/cmake/OptionsQt.cmake
index e6bb8e240f4e5..c1f30b3774f38 100644
--- a/Source/cmake/OptionsQt.cmake
+++ b/Source/cmake/OptionsQt.cmake
@@ -80,6 +80,11 @@ macro(CHECK_Qt6_PRIVATE_INCLUDE_DIRS _qt_component _header)
     set(CMAKE_REQUIRED_INCLUDES ${Qt6${_qt_component}_PRIVATE_INCLUDE_DIRS})
     set(CMAKE_REQUIRED_LIBRARIES Qt6::${_qt_component})
 
+    if (Qt6${_qt_component}_VERSION VERSION_GREATER_EQUAL 6.10)
+        find_package(Qt6 ${REQUIRED_QT_VERSION} REQUIRED COMPONENTS ${_qt_component}Private)
+        list(APPEND CMAKE_REQUIRED_LIBRARIES Qt6::${_qt_component}Private)
+    endif ()
+
     # Avoid check_include_file_cxx() because it performs linking but doesn't support CMAKE_REQUIRED_LIBRARIES (doh!)
     check_cxx_source_compiles("${INCLUDE_TEST_SOURCE}" Qt6${_qt_component}_PRIVATE_HEADER_FOUND)
 
diff --git a/Tools/QtTestBrowser/CMakeLists.txt b/Tools/QtTestBrowser/CMakeLists.txt
index 4e670650ccaf0..c93ba1410cd90 100644
--- a/Tools/QtTestBrowser/CMakeLists.txt
+++ b/Tools/QtTestBrowser/CMakeLists.txt
@@ -53,6 +53,13 @@ set(QtTestBrowser_LIBRARIES
     ${STATIC_LIB_DEPENDENCIES}
 )
 
+if (Qt6Core_VERSION VERSION_GREATER_EQUAL 6.10)
+    list(APPEND QtTestBrowser_PRIVATE_LIBRARIES Qt6::CorePrivate)
+endif ()
+if (Qt6Gui_VERSION VERSION_GREATER_EQUAL 6.10)
+    list(APPEND QtTestBrowser_PRIVATE_LIBRARIES Qt6::GuiPrivate)
+endif ()
+
 qt_add_resources(QtTestBrowser_SOURCES
     QtTestBrowser.qrc
 )