diff --git a/CMakeLists.txt b/CMakeLists.txt
index d623dd4e7..56116da68 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -105,9 +105,12 @@ find_package(OpenGL REQUIRED)
 
 set(CMAKE_AUTOMOC ON)
 
-find_package(Qt5 REQUIRED COMPONENTS Core Widgets OpenGL)
-set(QT_LIBRARIES Qt5::Widgets)
-set(QTVERSION ${Qt5Widgets_VERSION})
+find_package(QT NAMES Qt6 REQUIRED COMPONENTS Core)
+# in theory: find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Core)
+message(STATUS "Found Qt ${Qt${QT_VERSION_MAJOR}_VERSION}")
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Core Widgets OpenGL)
+set(QT_LIBRARIES Qt${QT_VERSION_MAJOR}::Widgets)
+set(QTVERSION ${Qt${QT_VERSION_MAJOR}Widgets_VERSION})
 add_definitions(-DQT_NO_KEYWORDS)
 
 find_package(catkin REQUIRED
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bf6148858..b8f7d06c2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,4 +3,6 @@ add_subdirectory(image_view)
 if (CATKIN_ENABLE_TESTING)
   add_subdirectory(test)
 endif()
-add_subdirectory(python_bindings)
+if (QT_VERSION_MAJOR EQUAL 5)
+  add_subdirectory(python_bindings)
+endif()