diff --git a/staging/src/k8s.io/apiextensions-apiserver/go.mod b/staging/src/k8s.io/apiextensions-apiserver/go.mod
index 242cf2e4193..83aabe025c3 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/go.mod
+++ b/staging/src/k8s.io/apiextensions-apiserver/go.mod
@@ -7,6 +7,7 @@ go 1.12
 require (
 	github.com/coreos/etcd v3.3.15+incompatible
 	github.com/emicklei/go-restful v2.9.5+incompatible
+	github.com/ghodss/yaml v0.0.0-20180820084758-c7ce16629ff4 // indirect
 	github.com/go-openapi/errors v0.19.2
 	github.com/go-openapi/spec v0.19.2
 	github.com/go-openapi/strfmt v0.19.0
diff --git a/staging/src/k8s.io/apiextensions-apiserver/go.sum b/staging/src/k8s.io/apiextensions-apiserver/go.sum
index 1a9d8eaeebe..2443461b99f 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/go.sum
+++ b/staging/src/k8s.io/apiextensions-apiserver/go.sum
@@ -64,6 +64,8 @@ github.com/evanphx/json-patch v4.2.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLi
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
+github.com/ghodss/yaml v0.0.0-20180820084758-c7ce16629ff4 h1:bRzFpEzvausOAt4va+I/22BZ1vXDtERngp0BNYDKej0=
+github.com/ghodss/yaml v0.0.0-20180820084758-c7ce16629ff4/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8 h1:DujepqpGd1hyOd7aW59XpK7Qymp8iy83xq74fLr21is=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
diff --git a/staging/src/k8s.io/apiextensions-apiserver/pkg/controller/openapi/builder/BUILD b/staging/src/k8s.io/apiextensions-apiserver/pkg/controller/openapi/builder/BUILD
index 32405eed904..aed96f7fe35 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/pkg/controller/openapi/builder/BUILD
+++ b/staging/src/k8s.io/apiextensions-apiserver/pkg/controller/openapi/builder/BUILD
@@ -27,6 +27,7 @@ go_library(
         "//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
         "//vendor/github.com/emicklei/go-restful:go_default_library",
         "//vendor/github.com/go-openapi/spec:go_default_library",
+        "//vendor/k8s.io/kube-openapi/pkg/aggregator:go_default_library",
         "//vendor/k8s.io/kube-openapi/pkg/builder:go_default_library",
         "//vendor/k8s.io/kube-openapi/pkg/common:go_default_library",
         "//vendor/k8s.io/kube-openapi/pkg/util:go_default_library",