diff --git a/free-programming-playgrounds.md b/free-programming-playgrounds.md
index 2cf344a03..1e51b640d 100644
--- a/free-programming-playgrounds.md
+++ b/free-programming-playgrounds.md
@@ -11,6 +11,7 @@
 * [PHP](#php)
 * [Python](#python)
 * [Ruby](#ruby)
+* [Rust](#rust)
 * [SQL](#sql)