diff --git a/conf/distro/include/meta-virt-default-versions.inc b/conf/distro/include/meta-virt-default-versions.inc
index 7a1a655f..3af27859 100644
--- a/conf/distro/include/meta-virt-default-versions.inc
+++ b/conf/distro/include/meta-virt-default-versions.inc
@@ -1,4 +1,4 @@
 # Meta-virtuailization PREFERED_VERSION
 
-PREFERRED_VERSION_xen ?= "4.20%"
-PREFERRED_VERSION_xen-tools ?= "4.20%"
+PREFERRED_VERSION_xen ?= "4.21%"
+PREFERRED_VERSION_xen-tools ?= "4.21%"