diff --git a/crates/extensions_ui/src/extension_suggest.rs b/crates/extensions_ui/src/extension_suggest.rs
index 9fdf67ea531ddb3f0bebd0498c231c4713b06750..9b1d1f8cdfc5e3f9201e6513d632c1ec96f15058 100644
--- a/crates/extensions_ui/src/extension_suggest.rs
+++ b/crates/extensions_ui/src/extension_suggest.rs
@@ -60,6 +60,7 @@ const SUGGESTIONS_BY_EXTENSION_ID: &[(&str, &[&str])] = &[
     ("r", &["r", "R"]),
     ("racket", &["rkt"]),
     ("rescript", &["res", "resi"]),
+    ("rst", &["rst"]),
     ("ruby", &["rb", "erb"]),
     ("scheme", &["scm"]),
     ("scss", &["scss"]),