diff --git a/index.html b/index.html
index ef313c5..d4720cf 100644
--- a/index.html
+++ b/index.html
@@ -5,6 +5,7 @@
 		<title>gamja IRC client</title>
 		<link rel="stylesheet" href="./style.css">
 		<meta name="viewport" content="width=device-width, initial-scale=1">
+		<link rel="manifest" href="manifest.json">
 	</head>
 	<body>
 		<noscript>
diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..37ea9bc
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,7 @@
+{
+	"name": "gamja IRC client",
+	"short_name": "gamja",
+	"start_url": ".",
+	"display": "standalone",
+	"scope": "."
+}
