diff --git a/src/utils/highlight.ts b/src/utils/highlight.ts
index 0ed21ff4..c41ef639 100644
--- a/src/utils/highlight.ts
+++ b/src/utils/highlight.ts
@@ -8,7 +8,7 @@ import 'prismjs/components/prism-csharp.js';
 import 'prismjs/components/prism-go.js';
 import 'prismjs/components/prism-http.js';
 import 'prismjs/components/prism-java.js';
-import 'prismjs/components/prism-json';
+import 'prismjs/components/prism-json.js';
 import 'prismjs/components/prism-lua.js';
 import 'prismjs/components/prism-markup-templating.js'; // dep of php
 import 'prismjs/components/prism-markup.js'; // xml