diff --git a/config.pri b/config.pri
index 64b23da4..3b14f8c2 100644
--- a/config.pri
+++ b/config.pri
@@ -39,6 +39,9 @@ minQtVersion(6, 0, 0) {
   error(YACReader does not support building with Qt6 (yet))
 }
 
+DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x050900
+DEFINES += QT_DEPRECATED_WARNINGS
+
 # reduce log pollution
 CONFIG += silent