diff --git a/src/BlocksRenderer.tsx b/src/BlocksRenderer.tsx
index 8b46f49..761f5f9 100644
--- a/src/BlocksRenderer.tsx
+++ b/src/BlocksRenderer.tsx
@@ -37,6 +37,7 @@ interface QuoteBlockNode {
 interface CodeBlockNode {
   type: 'code';
   children: DefaultInlineNode[];
+  language: string;
 }
 
 interface HeadingBlockNode {