diff --git a/mono-core.spec b/mono-core.spec
index e317479895..4126e4671d 100644
--- a/mono-core.spec
+++ b/mono-core.spec
@@ -30,7 +30,7 @@
 
 Name:           mono-core
 %define __majorver 5.19.0
-%define __minorver 41
+%define __minorver 51
 Version:	%{__majorver}.%{__minorver}
 Release:	0.nightly.1
 Summary:        Cross-platform, Open Source, .NET development framework