diff --git a/README.ja.md b/README.ja.md
index 0a283de..23d794e 100644
--- a/README.ja.md
+++ b/README.ja.md
@@ -225,7 +225,7 @@ Authlete 固有の情報については、[Authlete Definitive Guide][17] の
 [10]: https://openid.net/connect/
 [11]: https://www.authlete.com/
 [12]: https://www.authlete.com/ja/developers/overview/
-[13]: https://so.authlete.com/accounts/signup
+[13]: https://console.authlete.com/register
 [14]: https://www.authlete.com/ja/developers/getting_started/
 [15]: http://localhost:8081/
 [16]: https://www.authlete.com/ja/developers/definitive_guide/protected_resource/
diff --git a/README.md b/README.md
index 027d41b..5cb9e23 100644
--- a/README.md
+++ b/README.md
@@ -227,7 +227,7 @@ Contact
 [10]: https://openid.net/connect/
 [11]: https://www.authlete.com/
 [12]: https://www.authlete.com/developers/overview/
-[13]: https://so.authlete.com/accounts/signup
+[13]: https://console.authlete.com/register
 [14]: https://www.authlete.com/developers/getting_started/
 [15]: http://localhost:8081/
 [16]: https://www.authlete.com/developers/definitive_guide/protected_resource/