diff --git a/src/plugins/modeleditor/packageviewcontroller.cpp b/src/plugins/modeleditor/packageviewcontroller.cpp
index b04a3c67d03..37c665d4f05 100644
--- a/src/plugins/modeleditor/packageviewcontroller.cpp
+++ b/src/plugins/modeleditor/packageviewcontroller.cpp
@@ -31,6 +31,8 @@
 #include "qmt/model/mdependency.h"
 #include "qmt/model_controller/modelcontroller.h"
 
+#include <QSet>
+
 namespace ModelEditor {
 namespace Internal {