--- qpdfview.pri.orig	2024-01-02 16:01:53 UTC
+++ qpdfview.pri
@@ -12,4 +12,4 @@ os2:include(qpdfview_os2.pri)
 win32:include(qpdfview_win32.pri)
 os2:include(qpdfview_os2.pri)
 
-CONFIG += c++11
+CONFIG += c++17