diff --git a/mono-core.spec b/mono-core.spec
index 32f415af6b..3c07f2a843 100644
--- a/mono-core.spec
+++ b/mono-core.spec
@@ -28,9 +28,9 @@
 
 Name:           mono-core
 %define __majorver 5.9.0
-%define __minorver 331
+%define __minorver 380
 Version:	%{__majorver}.%{__minorver}
-Release:	0.nightly.1
+Release:	0.xamarin.1
 Summary:        Cross-platform, Open Source, .NET development framework
 License:        LGPL-2.1 and MIT and MS-PL
 Group:          Development/Languages/Mono