diff --git a/app/ui/app/src/lib/highlighter.ts b/app/ui/app/src/lib/highlighter.ts
index 279bc746c..2912fb358 100644
--- a/app/ui/app/src/lib/highlighter.ts
+++ b/app/ui/app/src/lib/highlighter.ts
@@ -147,6 +147,7 @@ export const highlighterPromise = createHighlighter({
     "c",
     "cpp",
     "sql",
+    "swift",
     "yaml",
     "markdown",
   ],