diff --git a/more/free-programming-interactive-tutorials-en.md b/more/free-programming-interactive-tutorials-en.md
index 535a33f4..2bf3c33b 100644
--- a/more/free-programming-interactive-tutorials-en.md
+++ b/more/free-programming-interactive-tutorials-en.md
@@ -38,6 +38,7 @@
 * [Ruby](#ruby)
 * [Rust](#rust)
 * [Scala](#scala)
+* [Selenium](#selenium)
 * [SQL](#sql)
 * [Vim](#vim)