diff --git a/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp b/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp
index 229969a943..ced1d08d65 100644
--- a/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp
+++ b/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp
@@ -30,6 +30,8 @@
 #include <qvarlengtharray.h>
 #include <qvariant.h>
 
+#include <memory>
+
 class tst_QVarLengthArray : public QObject
 {
     Q_OBJECT