diff --git a/github/github.go b/github/github.go
index 9db2920..ddc57c7 100644
--- a/github/github.go
+++ b/github/github.go
@@ -65,6 +65,9 @@ const (
 
 	// https://help.github.com/enterprise/2.4/admin/guides/migrations/exporting-the-github-com-organization-s-repositories/
 	mediaTypeMigrationsPreview = "application/vnd.github.wyandotte-preview+json"
+
+	// https://developer.github.com/changes/2016-04-06-deployment-and-deployment-status-enhancements/
+	mediaTypeDeploymentStatusPreview = "application/vnd.github.ant-man-preview+json"
 )
 
 // A Client manages communication with the GitHub API.
diff --git a/github/repos_deployments.go b/github/repos_deployments.go
index c7beb4b..214b713 100644
--- a/github/repos_deployments.go
+++ b/github/repos_deployments.go
@@ -29,13 +29,15 @@ type Deployment struct {
 
 // DeploymentRequest represents a deployment request
 type DeploymentRequest struct {
-	Ref              *string   `json:"ref,omitempty"`
-	Task             *string   `json:"task,omitempty"`
-	AutoMerge        *bool     `json:"auto_merge,omitempty"`
-	RequiredContexts *[]string `json:"required_contexts,omitempty"`
-	Payload          *string   `json:"payload,omitempty"`
-	Environment      *string   `json:"environment,omitempty"`
-	Description      *string   `json:"description,omitempty"`
+	Ref                   *string   `json:"ref,omitempty"`
+	Task                  *string   `json:"task,omitempty"`
+	AutoMerge             *bool     `json:"auto_merge,omitempty"`
+	RequiredContexts      *[]string `json:"required_contexts,omitempty"`
+	Payload               *string   `json:"payload,omitempty"`
+	Environment           *string   `json:"environment,omitempty"`
+	Description           *string   `json:"description,omitempty"`
+	TransientEnvironment  *bool     `json:"transient_environment,omitempty"`
+	ProductionEnvironment *bool     `json:"production_environment,omitempty"`
 }
 
 // DeploymentsListOptions specifies the optional parameters to the
@@ -91,6 +93,9 @@ func (s *RepositoriesService) CreateDeployment(owner, repo string, request *Depl
 		return nil, nil, err
 	}
 
+	// TODO: remove custom Accept header when deployment support fully launches
+	req.Header.Set("Accept", mediaTypeDeploymentStatusPreview)
+
 	d := new(Deployment)
 	resp, err := s.client.Do(req, d)
 	if err != nil {
@@ -105,7 +110,7 @@ func (s *RepositoriesService) CreateDeployment(owner, repo string, request *Depl
 type DeploymentStatus struct {
 	ID *int `json:"id,omitempty"`
 	// State is the deployment state.
-	// Possible values are: "pending", "success", "failure", "error".
+	// Possible values are: "pending", "success", "failure", "error", "inactive".
 	State         *string    `json:"state,omitempty"`
 	Creator       *User      `json:"creator,omitempty"`
 	Description   *string    `json:"description,omitempty"`
@@ -118,9 +123,12 @@ type DeploymentStatus struct {
 
 // DeploymentStatusRequest represents a deployment request
 type DeploymentStatusRequest struct {
-	State       *string `json:"state,omitempty"`
-	TargetURL   *string `json:"target_url,omitempty"`
-	Description *string `json:"description,omitempty"`
+	State          *string `json:"state,omitempty"`
+	TargetURL      *string `json:"target_url,omitempty"` // Deprecated. Use LogURL instead.
+	LogURL         *string `json:"log_url,omitempty"`
+	Description    *string `json:"description,omitempty"`
+	EnvironmentURL *string `json:"environment_url,omitempty"`
+	AutoInactive   *bool   `json:"auto_inactive,omitempty"`
 }
 
 // ListDeploymentStatuses lists the statuses of a given deployment of a repository.
@@ -158,6 +166,9 @@ func (s *RepositoriesService) CreateDeploymentStatus(owner, repo string, deploym
 		return nil, nil, err
 	}
 
+	// TODO: remove custom Accept header when deployment support fully launches
+	req.Header.Set("Accept", mediaTypeDeploymentStatusPreview)
+
 	d := new(DeploymentStatus)
 	resp, err := s.client.Do(req, d)
 	if err != nil {
diff --git a/github/repos_deployments_test.go b/github/repos_deployments_test.go
index 161a07c..d11cd3f 100644
--- a/github/repos_deployments_test.go
+++ b/github/repos_deployments_test.go
@@ -39,13 +39,14 @@ func TestRepositoriesService_CreateDeployment(t *testing.T) {
 	setup()
 	defer teardown()
 
-	input := &DeploymentRequest{Ref: String("1111"), Task: String("deploy")}
+	input := &DeploymentRequest{Ref: String("1111"), Task: String("deploy"), TransientEnvironment: Bool(true)}
 
 	mux.HandleFunc("/repos/o/r/deployments", func(w http.ResponseWriter, r *http.Request) {
 		v := new(DeploymentRequest)
 		json.NewDecoder(r.Body).Decode(v)
 
 		testMethod(t, r, "POST")
+		testHeader(t, r, "Accept", mediaTypeDeploymentStatusPreview)
 		if !reflect.DeepEqual(v, input) {
 			t.Errorf("Request body = %+v, want %+v", v, input)
 		}
@@ -85,3 +86,33 @@ func TestRepositoriesService_ListDeploymentStatuses(t *testing.T) {
 		t.Errorf("Repositories.ListDeploymentStatuses returned %+v, want %+v", statutses, want)
 	}
 }
+
+func TestRepositoriesService_CreateDeploymentStatus(t *testing.T) {
+	setup()
+	defer teardown()
+
+	input := &DeploymentStatusRequest{State: String("inactive"), Description: String("deploy"), AutoInactive: Bool(false)}
+
+	mux.HandleFunc("/repos/o/r/deployments/1/statuses", func(w http.ResponseWriter, r *http.Request) {
+		v := new(DeploymentStatusRequest)
+		json.NewDecoder(r.Body).Decode(v)
+
+		testMethod(t, r, "POST")
+		testHeader(t, r, "Accept", mediaTypeDeploymentStatusPreview)
+		if !reflect.DeepEqual(v, input) {
+			t.Errorf("Request body = %+v, want %+v", v, input)
+		}
+
+		fmt.Fprint(w, `{"state": "inactive", "description": "deploy"}`)
+	})
+
+	deploymentStatus, _, err := client.Repositories.CreateDeploymentStatus("o", "r", 1, input)
+	if err != nil {
+		t.Errorf("Repositories.CreateDeploymentStatus returned error: %v", err)
+	}
+
+	want := &DeploymentStatus{State: String("inactive"), Description: String("deploy")}
+	if !reflect.DeepEqual(deploymentStatus, want) {
+		t.Errorf("Repositories.CreateDeploymentStatus returned %+v, want %+v", deploymentStatus, want)
+	}
+}