diff --git a/README.md b/README.md
index e69f816..e7cdd2e 100644
--- a/README.md
+++ b/README.md
@@ -303,6 +303,12 @@ Linux Security Expert - trainings, howtos, checklists, security tools an
:small_orange_diamond: Security Ninjas - open source application security training program.
+ :small_orange_diamond: Hack The Box - online platform allowing you to test your penetration testing skills.
+