diff --git a/crates/languages/src/c/outline.scm b/crates/languages/src/c/outline.scm
index 4d36606942ce8a51dde3f1dab205aa843e416b15..efd911836cb718d698460adfe2d91d19cb976b30 100644
--- a/crates/languages/src/c/outline.scm
+++ b/crates/languages/src/c/outline.scm
@@ -9,6 +9,25 @@
         "(" @context
         ")" @context)) @item
 
+(struct_specifier
+    "struct" @context
+    name: (_) @name) @item
+
+(union_specifier
+    "union" @context
+    name: (_) @name) @item
+
+(enum_specifier
+    "enum" @context
+    name: (_) @name) @item
+
+(enumerator
+    name: (_) @name) @item
+
+(field_declaration
+    type: (_) @context
+    declarator: (field_identifier) @name) @item
+
 (type_definition
     "typedef" @context
     declarator: (_) @name) @item