diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac957230b7..959fc80502 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -115,13 +115,17 @@ set(GZ_FUEL_TOOLS_VER ${gz-fuel_tools10_VERSION_MAJOR})
 # Find gz-gui
 gz_find_package(gz-gui9 REQUIRED)
 set(GZ_GUI_VER ${gz-gui9_VERSION_MAJOR})
-gz_find_package (Qt5
+
+set(QT_MAJOR_VERSION 6)
+set(QT_MINOR_VERSION 0)
+gz_find_package (Qt${QT_MAJOR_VERSION}
+  VERSION ${QT_MAJOR_VERSION}.${QT_MINOR_VERSION}
   COMPONENTS
     Core
     Quick
     QuickControls2
   REQUIRED
-  PKGCONFIG "Qt5Core Qt5Quick Qt5QuickControls2")
+  PKGCONFIG "Qt${QT_MAJOR_VERSION}Core Qt${QT_MAJOR_VERSION}Quick Qt${QT_MAJOR_VERSION}QuickControls2")
 
 #--------------------------------------
 # Find gz-physics
diff --git a/examples/plugin/gui_system_plugin/CMakeLists.txt b/examples/plugin/gui_system_plugin/CMakeLists.txt
index 53ba9dc4ce..881eb6d1ef 100644
--- a/examples/plugin/gui_system_plugin/CMakeLists.txt
+++ b/examples/plugin/gui_system_plugin/CMakeLists.txt
@@ -10,7 +10,7 @@ set(CMAKE_AUTOMOC ON)
 
 find_package(gz-sim9 REQUIRED COMPONENTS gui)
 
-QT5_ADD_RESOURCES(resources_RCC ${PROJECT_NAME}.qrc)
+qt_add_resources(resources_RCC ${PROJECT_NAME}.qrc)
 
 add_library(${PROJECT_NAME} SHARED
   ${PROJECT_NAME}.cc
diff --git a/examples/plugin/rendering_plugins/CMakeLists.txt b/examples/plugin/rendering_plugins/CMakeLists.txt
index f8c8bd14b8..6d754fafba 100644
--- a/examples/plugin/rendering_plugins/CMakeLists.txt
+++ b/examples/plugin/rendering_plugins/CMakeLists.txt
@@ -16,7 +16,7 @@ set(CMAKE_AUTOMOC ON)
 
 find_package(gz-gui9 REQUIRED)
 
-QT5_ADD_RESOURCES(resources_RCC ${GUI_PLUGIN}.qrc)
+qt_add_resources(resources_RCC ${GUI_PLUGIN}.qrc)
 
 add_library(${GUI_PLUGIN} SHARED
   ${GUI_PLUGIN}.cc
diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index 472eba232d..7b853519a7 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -26,7 +26,7 @@ set(CMAKE_AUTORCC ON)
 # located in different directories than the containing .cc file. For Qt header
 # files in `include/gz/sim/gui`, we use qt5_wrap_cpp instead. There is
 # no need to add entries for Qt header files in `src/gui/`.
-qt5_wrap_cpp(gui_sources
+qt_wrap_cpp(gui_sources
   ${PROJECT_SOURCE_DIR}/include/gz/sim/gui/GuiSystem.hh
 )
 
@@ -51,8 +51,6 @@ target_link_libraries(${gui_target}
     gz-gui${GZ_GUI_VER}::gz-gui${GZ_GUI_VER}
     gz-transport${GZ_TRANSPORT_VER}::gz-transport${GZ_TRANSPORT_VER}
     gz-utils${GZ_UTILS_VER}::gz-utils${GZ_UTILS_VER}
-    ${Qt5Core_LIBRARIES}
-    ${Qt5Widgets_LIBRARIES}
 )
 
 set(CMAKE_AUTOMOC OFF)
diff --git a/src/gui/plugins/CMakeLists.txt b/src/gui/plugins/CMakeLists.txt
index 93cf416713..e0e2fb5855 100644
--- a/src/gui/plugins/CMakeLists.txt
+++ b/src/gui/plugins/CMakeLists.txt
@@ -23,8 +23,8 @@ function(gz_add_gui_library library_name)
 
   cmake_parse_arguments(gz_add_gui_library "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
 
-  QT5_WRAP_CPP(${library_name}_headers_MOC ${gz_add_gui_library_QT_HEADERS})
-  QT5_ADD_RESOURCES(${library_name}_RCC ${library_name}.qrc)
+  qt_wrap_cpp(${library_name}_headers_MOC ${gz_add_gui_library_QT_HEADERS})
+  qt_add_resources(${library_name}_RCC ${library_name}.qrc)
 
   if(MSVC)
     # Warning #4251 is the "dll-interface" warning that tells you when types