diff --git a/mk/xamarin.mk b/mk/xamarin.mk
index 9823dd7e37..badcb46df4 100644
--- a/mk/xamarin.mk
+++ b/mk/xamarin.mk
@@ -1,6 +1,6 @@
 ifdef ENABLE_XAMARIN
-NEEDED_MACCORE_VERSION := c45926c395d6166d92bdcc720dc3e9496f375253
-NEEDED_MACCORE_BRANCH := master
+NEEDED_MACCORE_VERSION := 9a2a51a809172513ee0f9f61de60a8e0ca5dbae1
+NEEDED_MACCORE_BRANCH := xcode8
 
 MACCORE_DIRECTORY := maccore
 MACCORE_MODULE    := git@github.com:xamarin/maccore.git