diff --git a/src/graphic/QskGraphicIO.cpp b/src/graphic/QskGraphicIO.cpp
index 77d21785..b7bf699f 100644
--- a/src/graphic/QskGraphicIO.cpp
+++ b/src/graphic/QskGraphicIO.cpp
@@ -19,10 +19,9 @@ static const char qskMagicNumber[] = "QSKG";
 /*
     To avoid crashes ( fonts ), when svg2qvg was running with a different Qt
     version, than the one of the application we hardcode
-    the datastream format to Qt 5.6. Once everything is running with
-    Qt 5.15 we can increase the version. TODO ...
+    the datastream format.
  */
-static const int qskDataStreamVersion = QDataStream::Qt_5_6;
+static const int qskDataStreamVersion = QDataStream::Qt_5_15;
 
 static inline void qskWritePathData(
     const QPainterPath& path, QDataStream& s )