diff --git a/.changeset/ten-parrots-argue.md b/.changeset/ten-parrots-argue.md
new file mode 100644
index 000000000..1a592b901
--- /dev/null
+++ b/.changeset/ten-parrots-argue.md
@@ -0,0 +1,5 @@
+---
+'gitbook': patch
+---
+
+Increase token max length to fix code not highlighted
diff --git a/packages/gitbook/src/components/DocumentView/CodeBlock/highlight.ts b/packages/gitbook/src/components/DocumentView/CodeBlock/highlight.ts
index 62d082b50..3432f56bc 100644
--- a/packages/gitbook/src/components/DocumentView/CodeBlock/highlight.ts
+++ b/packages/gitbook/src/components/DocumentView/CodeBlock/highlight.ts
@@ -50,7 +50,7 @@ export async function highlight(block: DocumentBlockCode): Promise<HighlightLine
 
     const lines = highlighter.codeToTokensBase(code, {
         lang: langName,
-        tokenizeMaxLineLength: 120,
+        tokenizeMaxLineLength: 400,
     });
 
     let currentIndex = 0;