diff --git a/src/corelib/kernel/qobjectdefs.h b/src/corelib/kernel/qobjectdefs.h
index 0b1fa8839f8..ec512515312 100644
--- a/src/corelib/kernel/qobjectdefs.h
+++ b/src/corelib/kernel/qobjectdefs.h
@@ -54,7 +54,7 @@ class QByteArray;
 class QString;
 
 #ifndef Q_MOC_OUTPUT_REVISION
-#define Q_MOC_OUTPUT_REVISION 63
+#define Q_MOC_OUTPUT_REVISION 64
 #endif
 
 // The following macros are our "extensions" to C++
diff --git a/src/tools/moc/outputrevision.h b/src/tools/moc/outputrevision.h
index 15661a43aa0..2ce5b9b7652 100644
--- a/src/tools/moc/outputrevision.h
+++ b/src/tools/moc/outputrevision.h
@@ -43,6 +43,6 @@
 #define OUTPUTREVISION_H
 
 // if the output revision changes, you MUST change it in qobjectdefs.h too
-enum { mocOutputRevision = 63 };          // moc format output revision
+enum { mocOutputRevision = 64 };          // moc format output revision
 
 #endif // OUTPUTREVISION_H