diff --git a/_data/betarelease.yml b/_data/betarelease.yml
index f16211812..07a383298 100644
--- a/_data/betarelease.yml
+++ b/_data/betarelease.yml
@@ -1,5 +1,5 @@
-version: 4.8 Release Candidate (4.8.0.429)
-mono_mac_url: https://download.mono-project.com/archive/4.8.0/macos-10-universal/MonoFramework-MDK-4.8.0.429.macos10.xamarin.universal.pkg
-mono_windows_url: https://download.mono-project.com/archive/4.8.0/windows-installer/mono-4.8.0.429-gtksharp-2.12.42-win32-0.msi
-mono_windows64_url: https://download.mono-project.com/archive/4.8.0/windows-installer/mono-4.8.0.429-x64-0.msi
+version: 4.8 Release Candidate Refresh 1 (4.8.0.459)
+mono_mac_url: https://download.mono-project.com/archive/4.8.0/macos-10-universal/MonoFramework-MDK-4.8.0.459.macos10.xamarin.universal.pkg
+mono_windows_url: https://download.mono-project.com/archive/4.8.0/windows-installer/mono-4.8.0.459-gtksharp-2.12.42-win32-0.msi
+mono_windows64_url: https://download.mono-project.com/archive/4.8.0/windows-installer/mono-4.8.0.459-x64-0.msi
 gtksharp_windows_url: https://dl.xamarin.com/GTKforWindows/Windows/gtk-sharp-2.12.42.msi