diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index dc1ded5e..4ee641f0 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -177,12 +177,16 @@ else()
 endif()
 
 if (WIN32)
-    target_link_libraries(kddockwidgets PRIVATE Qt5::GuiPrivate Dwmapi)
+    target_link_libraries(kddockwidgets PRIVATE Qt${QT_MAJOR_VERSION}::GuiPrivate Dwmapi)
 elseif(NOT APPLE AND NOT EMSCRIPTEN AND NOT OPTION_QT6)
     find_package(Qt${QT_MAJOR_VERSION}X11Extras)
     target_link_libraries(kddockwidgets PUBLIC Qt${QT_MAJOR_VERSION}::X11Extras)
 endif()
 
+if (OPTION_QT6)
+  target_link_libraries(kddockwidgets PUBLIC Qt6::StateMachine)
+endif()
+
 set_target_properties(kddockwidgets PROPERTIES
   SOVERSION ${${PROJECT_NAME}_SOVERSION}
   VERSION ${${PROJECT_NAME}_VERSION}