diff --git a/crates/languages/src/cpp/outline.scm b/crates/languages/src/cpp/outline.scm
index 728e5aa3bc..448fe35220 100644
--- a/crates/languages/src/cpp/outline.scm
+++ b/crates/languages/src/cpp/outline.scm
@@ -28,6 +28,10 @@
 (enumerator
     name: (_) @name) @item
 
+(concept_definition
+    "concept" @context
+    name: (_) @name) @item
+
 (declaration
     (storage_class_specifier) @context
     (type_qualifier)? @context