diff --git a/deploy_keys.go b/deploy_keys.go
index adb50bdbf..9d71bffe5 100644
--- a/deploy_keys.go
+++ b/deploy_keys.go
@@ -198,3 +198,37 @@ func (s *DeployKeysService) EnableDeployKey(pid interface{}, deployKey int, opti
 
 	return k, resp, err
 }
+
+// UpdateDeployKeyOptions represents the available UpdateDeployKey() options.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ce/api/deploy_keys.html#update-deploy-key
+type UpdateDeployKeyOptions struct {
+	Title   *string `url:"title,omitempty" json:"title,omitempty"`
+	CanPush *bool   `url:"can_push,omitempty" json:"can_push,omitempty"`
+}
+
+// UpdateDeployKey updates a deploy key for a project.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ce/api/deploy_keys.html#update-deploy-key
+func (s *DeployKeysService) UpdateDeployKey(pid interface{}, deployKey int, opt *UpdateDeployKeyOptions, options ...RequestOptionFunc) (*DeployKey, *Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("projects/%s/deploy_keys/%d", pathEscape(project), deployKey)
+
+	req, err := s.client.NewRequest("PUT", u, opt, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	k := new(DeployKey)
+	resp, err := s.client.Do(req, k)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return k, resp, err
+}