diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000..2e3de6f
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,4 @@
+Copyright (c) 2015 FLECT CO.,LTD.
+
+License
+http://oss.flect.co.jp/libs/ja/quizar.html
diff --git a/README.md b/README.md
index 14ffa9f..a8ee896 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,6 @@ Quizar
 WebSocket quiz application.
 
 http://www.quizar.info
+
+# License
+http://oss.flect.co.jp/libs/ja/quizar.html