diff --git a/deploy_keys.go b/deploy_keys.go
index e343bef98..8834edbc4 100644
--- a/deploy_keys.go
+++ b/deploy_keys.go
@@ -67,6 +67,7 @@ type ProjectDeployKey struct {
 	Key       string     `json:"key"`
 	CreatedAt *time.Time `json:"created_at"`
 	CanPush   bool       `json:"can_push"`
+	ExpiresAt *time.Time `json:"expires_at"`
 }
 
 func (k ProjectDeployKey) String() string {
@@ -162,11 +163,12 @@ func (s *DeployKeysService) GetDeployKey(pid interface{}, deployKey int, options
 // AddDeployKeyOptions represents the available ADDDeployKey() options.
 //
 // GitLab API docs:
-// https://docs.gitlab.com/ee/api/deploy_keys.html#add-deploy-key
+// https://docs.gitlab.com/ee/api/deploy_keys.html#add-deploy-key-for-a-project
 type AddDeployKeyOptions struct {
-	Title   *string `url:"title,omitempty" json:"title,omitempty"`
-	Key     *string `url:"key,omitempty" json:"key,omitempty"`
-	CanPush *bool   `url:"can_push,omitempty" json:"can_push,omitempty"`
+	Key       *string    `url:"key,omitempty" json:"key,omitempty"`
+	Title     *string    `url:"title,omitempty" json:"title,omitempty"`
+	CanPush   *bool      `url:"can_push,omitempty" json:"can_push,omitempty"`
+	ExpiresAt *time.Time `url:"expires_at,omitempty" json:"expires_at,omitempty"`
 }
 
 // AddDeployKey creates a new deploy key for a project. If deploy key already
@@ -174,7 +176,7 @@ type AddDeployKeyOptions struct {
 // original one was is accessible by same user.
 //
 // GitLab API docs:
-// https://docs.gitlab.com/ee/api/deploy_keys.html#add-deploy-key
+// https://docs.gitlab.com/ee/api/deploy_keys.html#add-deploy-key-for-a-project
 func (s *DeployKeysService) AddDeployKey(pid interface{}, opt *AddDeployKeyOptions, options ...RequestOptionFunc) (*ProjectDeployKey, *Response, error) {
 	project, err := parseID(pid)
 	if err != nil {
diff --git a/deploy_keys_test.go b/deploy_keys_test.go
index 260ee1ca3..d760bc6d1 100644
--- a/deploy_keys_test.go
+++ b/deploy_keys_test.go
@@ -225,7 +225,8 @@ func TestAddDeployKey(t *testing.T) {
 			"id" : 12,
 			"title" : "My deploy key",
 			"can_push": true,
-			"created_at" : "2015-08-29T12:44:31.550Z"
+			"created_at" : "2015-08-29T12:44:31.550Z",
+			"expires_at": null
 		 }`)
 	})
 
@@ -256,6 +257,55 @@ func TestAddDeployKey(t *testing.T) {
 	}
 }
 
+func TestAddDeployKey_withExpiresAt(t *testing.T) {
+	mux, client := setup(t)
+
+	mux.HandleFunc("/api/v4/projects/5/deploy_keys", func(w http.ResponseWriter, r *http.Request) {
+		testMethod(t, r, http.MethodPost)
+		fmt.Fprintf(w, `{
+			"key" : "ssh-rsa AAAA...",
+			"id" : 12,
+			"title" : "My deploy key",
+			"can_push": true,
+			"created_at" : "2015-08-29T12:44:31.550Z",
+			"expires_at": "2999-03-01T00:00:00.000Z"
+		 }`)
+	})
+
+	expiresAt, err := time.Parse(timeLayout, "2999-03-01T00:00:00.000Z")
+	if err != nil {
+		t.Errorf("DeployKeys.AddDeployKey returned an error while parsing time: %v", err)
+	}
+
+	opt := &AddDeployKeyOptions{
+		Key:       Ptr("ssh-rsa AAAA..."),
+		Title:     Ptr("My deploy key"),
+		CanPush:   Ptr(true),
+		ExpiresAt: &expiresAt,
+	}
+	deployKey, _, err := client.DeployKeys.AddDeployKey(5, opt)
+	if err != nil {
+		t.Errorf("DeployKey.AddDeployKey returned error: %v", err)
+	}
+
+	createdAt, err := time.Parse(timeLayout, "2015-08-29T12:44:31.550Z")
+	if err != nil {
+		t.Errorf("DeployKeys.AddDeployKey returned an error while parsing time: %v", err)
+	}
+
+	want := &ProjectDeployKey{
+		Title:     "My deploy key",
+		ID:        12,
+		Key:       "ssh-rsa AAAA...",
+		CreatedAt: &createdAt,
+		CanPush:   true,
+		ExpiresAt: &expiresAt,
+	}
+	if !reflect.DeepEqual(want, deployKey) {
+		t.Errorf("DeployKeys.AddDeployKey returned %+v, want %+v", deployKey, want)
+	}
+}
+
 func TestDeleteDeployKey(t *testing.T) {
 	mux, client := setup(t)