diff --git a/src/app/puzzle/layout/vppiece.cpp b/src/app/puzzle/layout/vppiece.cpp
index 4024ce5ce..35fccec33 100644
--- a/src/app/puzzle/layout/vppiece.cpp
+++ b/src/app/puzzle/layout/vppiece.cpp
@@ -33,7 +33,6 @@
 #include "../vlayout/vlayoutpiecepath.h"
 #include "../vlayout/vtextmanager.h"
 #include "../vwidgets/vpiecegrainline.h"
-#include "QtConcurrent/qtconcurrentmap.h"
 #include "vplayout.h"
 #include "vpsheet.h"
 
@@ -42,6 +41,7 @@
 #include <QLoggingCategory>
 #include <QPainter>
 #include <QPainterPath>
+#include <QtConcurrent>
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 4, 0)
 #include "../vmisc/compatibility.h"
diff --git a/src/app/puzzle/puzzle.qbs b/src/app/puzzle/puzzle.qbs
index 008288b65..68e82b740 100644
--- a/src/app/puzzle/puzzle.qbs
+++ b/src/app/puzzle/puzzle.qbs
@@ -5,7 +5,7 @@ import qbs.Utilities
 VToolApp {
     Depends { name: "buildconfig" }
     Depends { name: "ib"; condition: qbs.targetOS.contains("macos") }
-    Depends { name: "Qt"; submodules: ["core", "widgets", "svg"] }
+    Depends { name: "Qt"; submodules: ["core", "widgets", "svg", "concurrent"] }
     Depends { name: "VMiscLib" }
     Depends { name: "VLayoutLib" }
     Depends { name: "IFCLib" }