diff --git a/index.js b/index.js
index 82c18e2..4d6f730 100644
--- a/index.js
+++ b/index.js
@@ -11,7 +11,15 @@ var sms = (url) => {
 
 	var send = (to, msg0, msg1) => {
 		return new Promise((resolve, reject) => {
-			request(url + `?to=${to}&s0=${msg0}&s1=${msg1}&t=${Date.parse(new Date())/1000}`, (err, res, body) => {
+			request.post({
+				"url": url,
+				formData: {
+					 "to": to,
+					 "s0": msg0,
+					 "s1": msg1,
+					 "t": Date.parse(new Date())/1000
+				}
+			}, (err, res, body) => {
 				resolve(body);
 			});
 		});
diff --git a/package.json b/package.json
index 5973ce3..9c9947a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ushio-sms",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "sms for ushio",
   "main": "index.js",
   "scripts": {