diff --git a/vendor/github.com/gophercloud/gophercloud/openstack/objectstorage/v1/containers/requests.go b/vendor/github.com/gophercloud/gophercloud/openstack/objectstorage/v1/containers/requests.go
index bea0d95..d9670a6 100644
--- a/vendor/github.com/gophercloud/gophercloud/openstack/objectstorage/v1/containers/requests.go
+++ b/vendor/github.com/gophercloud/gophercloud/openstack/objectstorage/v1/containers/requests.go
@@ -154,18 +154,18 @@ type UpdateOptsBuilder interface {
 type UpdateOpts struct {
        Metadata               map[string]string
        RemoveMetadata         []string
-       ContainerRead          string `h:"X-Container-Read"`
-       ContainerSyncTo        string `h:"X-Container-Sync-To"`
-       ContainerSyncKey       string `h:"X-Container-Sync-Key"`
-       ContainerWrite         string `h:"X-Container-Write"`
-       ContentType            string `h:"Content-Type"`
-       DetectContentType      bool   `h:"X-Detect-Content-Type"`
-       RemoveVersionsLocation string `h:"X-Remove-Versions-Location"`
-       VersionsLocation       string `h:"X-Versions-Location"`
-       RemoveHistoryLocation  string `h:"X-Remove-History-Location"`
-       HistoryLocation        string `h:"X-History-Location"`
-       TempURLKey             string `h:"X-Container-Meta-Temp-URL-Key"`
-       TempURLKey2            string `h:"X-Container-Meta-Temp-URL-Key-2"`
+       ContainerRead          *string `h:"X-Container-Read"`
+       ContainerSyncTo        *string `h:"X-Container-Sync-To"`
+       ContainerSyncKey       *string `h:"X-Container-Sync-Key"`
+       ContainerWrite         *string `h:"X-Container-Write"`
+       ContentType            string  `h:"Content-Type"`
+       DetectContentType      bool    `h:"X-Detect-Content-Type"`
+       RemoveVersionsLocation string  `h:"X-Remove-Versions-Location"`
+       VersionsLocation       string  `h:"X-Versions-Location"`
+       RemoveHistoryLocation  string  `h:"X-Remove-History-Location"`
+       HistoryLocation        string  `h:"X-History-Location"`
+       TempURLKey             string  `h:"X-Container-Meta-Temp-URL-Key"`
+       TempURLKey2            string  `h:"X-Container-Meta-Temp-URL-Key-2"`
 }
 
 // ToContainerUpdateMap formats a UpdateOpts into a map of headers.
diff --git a/vendor/github.com/gophercloud/gophercloud/params.go b/vendor/github.com/gophercloud/gophercloud/params.go
index 219c020..6282894 100644
--- a/vendor/github.com/gophercloud/gophercloud/params.go
+++ b/vendor/github.com/gophercloud/gophercloud/params.go
@@ -445,6 +445,9 @@ func BuildHeaders(opts interface{}) (map[string]string, error) {
 
                                // if the field is set, add it to the slice of query pieces
                                if !isZero(v) {
+                                       if v.Kind() == reflect.Ptr {
+                                               v = v.Elem()
+                                       }
                                        switch v.Kind() {
                                        case reflect.String:
                                                optsMap[tags[0]] = v.String()
diff --git a/vendor/github.com/gophercloud/gophercloud/provider_client.go b/vendor/github.com/gophercloud/gophercloud/provider_client.go
index 916e59a..faa421f 100644
--- a/vendor/github.com/gophercloud/gophercloud/provider_client.go
+++ b/vendor/github.com/gophercloud/gophercloud/provider_client.go
@@ -408,11 +408,7 @@ func (client *ProviderClient) doRequest(method, url string, options *RequestOpts
 
        if options.MoreHeaders != nil {
                for k, v := range options.MoreHeaders {
-                       if v != "" {
-                               req.Header.Set(k, v)
-                       } else {
-                               req.Header.Del(k)
-                       }
+                       req.Header.Set(k, v)
                }
        }