diff --git a/org_members.go b/org_members.go
new file mode 100644
index 0000000..9ff57ba
--- /dev/null
+++ b/org_members.go
@@ -0,0 +1,26 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gogs
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+type AddOrgMembershipOption struct {
+	Role    string `json:"role"`
+}
+
+func (c *Client) AddOrgMembership(orgname string, username string, opt AddOrgMembershipOption) error {
+	body, err := json.Marshal(&opt)
+	if err != nil {
+		return err
+	}
+	_, err = c.getResponse("PUT", fmt.Sprintf("/orgs/%s/membership/%s", orgname, username),
+		http.Header{"content-type": []string{"application/json"}}, bytes.NewReader(body))
+	return err
+}