diff --git a/src/lib/markdown.ts b/src/lib/markdown.ts
index 1636eea..11a1614 100644
--- a/src/lib/markdown.ts
+++ b/src/lib/markdown.ts
@@ -32,6 +32,17 @@ const allowed_langs: BundledLanguage[] = [
   'sh',
   'mermaid',
   'cpp',
+  'fish',
+  'zsh',
+  'docker',
+  'dockerfile',
+  'yml',
+  'system-verilog',
+  'sql',
+  'glsl',
+  'mediawiki',
+  'systemd',
+  'ini',
 ]
 
 export async function ensureShikiEngine() {