update refs to v0.8.0
diff --git a/go.mod b/go.mod
index 6bb2b5f..6f48eb3 100644
--- a/go.mod
+++ b/go.mod
@@ -4,8 +4,8 @@
 
 require (
 	github.com/GoogleCloudPlatform/spark-on-k8s-operator v0.0.0-20200212043150-3df703098970
-	github.com/apache/incubator-yunikorn-core v0.8.0-incubating-rc1
-	github.com/apache/incubator-yunikorn-scheduler-interface v0.8.0-incubating-rc1
+	github.com/apache/incubator-yunikorn-core v0.8.0
+	github.com/apache/incubator-yunikorn-scheduler-interface v0.8.0
 	github.com/coreos/etcd v3.3.20+incompatible // indirect
 	github.com/coreos/go-semver v0.3.0 // indirect
 	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
diff --git a/go.sum b/go.sum
index cb5d7bb..bdfb7bd 100644
--- a/go.sum
+++ b/go.sum
@@ -20,10 +20,14 @@
 github.com/apache/incubator-yunikorn-core v0.0.0-20200417070322-891de7466236/go.mod h1:KZwPaVuSfV0yqQfuts9dKWlPi/S6mRnr81hLy/zczoI=
 github.com/apache/incubator-yunikorn-core v0.8.0-incubating-rc1 h1:6M9UF0QVkeVWGtGV+rXYVgCHWa3isgHTLyJHBJFpiRw=
 github.com/apache/incubator-yunikorn-core v0.8.0-incubating-rc1/go.mod h1:KZwPaVuSfV0yqQfuts9dKWlPi/S6mRnr81hLy/zczoI=
+github.com/apache/incubator-yunikorn-core v0.8.0 h1:U7ARr+BHM5IxQM9Tgnk6WeL3HbyD4wTvutmTggG75CA=
+github.com/apache/incubator-yunikorn-core v0.8.0/go.mod h1:9EG4nKIVaEpMr1f2aAF9Z+1EyOoscOxVFNS9A+1kznM=
 github.com/apache/incubator-yunikorn-scheduler-interface v0.0.0-20200414171840-a773cd557b1f h1:MO1PV62hmeaahOItQq848+aSbypnjdtXj4k0v+O4+nI=
 github.com/apache/incubator-yunikorn-scheduler-interface v0.0.0-20200414171840-a773cd557b1f/go.mod h1:De+73NNH4KaRL9MGGnCyHJOtx2oQGVYOaespfoRNGSo=
 github.com/apache/incubator-yunikorn-scheduler-interface v0.8.0-incubating-rc1 h1:YAGs5q+oxM4lWb0UXshUFEoUGwORFTPsKaTQeVAFW20=
 github.com/apache/incubator-yunikorn-scheduler-interface v0.8.0-incubating-rc1/go.mod h1:De+73NNH4KaRL9MGGnCyHJOtx2oQGVYOaespfoRNGSo=
+github.com/apache/incubator-yunikorn-scheduler-interface v0.8.0 h1:6gmLqBsnbUHbbd73GioZTqoXNbLXB7LPnFN9Qk6QpwU=
+github.com/apache/incubator-yunikorn-scheduler-interface v0.8.0/go.mod h1:De+73NNH4KaRL9MGGnCyHJOtx2oQGVYOaespfoRNGSo=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=