diff --git a/README.md b/README.md
index a1d2542..3950f62 100644
--- a/README.md
+++ b/README.md
@@ -245,4 +245,5 @@ But knowing the stuff will help you become better! :muscle:*
 - :link: [At Coder](https://atcoder.jp/)
 - :link: [Codility](https://www.codility.com/)
 - :link: [Toph](https://toph.co/)
-- :link: [beecrowd](https://www.beecrowd.com.br/)
\ No newline at end of file
+- :link: [beecrowd](https://www.beecrowd.com.br/)
+- :link: [LinkghtOJ](https://lightoj.com/)
\ No newline at end of file