diff --git a/mono-core.spec b/mono-core.spec
index 5c29c661f0..c0321c00c3 100644
--- a/mono-core.spec
+++ b/mono-core.spec
@@ -28,7 +28,7 @@
 
 Name:           mono-core
 %define __majorver 5.10.0
-%define __minorver 83
+%define __minorver 91
 Version:	%{__majorver}.%{__minorver}
 Release:	0.xamarin.1
 Summary:        Cross-platform, Open Source, .NET development framework