diff --git a/tools/auto_update_v8.ts b/tools/auto_update_v8.ts
index 8e98bdda..23904bfa 100644
--- a/tools/auto_update_v8.ts
+++ b/tools/auto_update_v8.ts
@@ -1,4 +1,4 @@
-const V8_TRACKING_BRANCH = "13.0-lkgr-denoland";
+const V8_TRACKING_BRANCH = "13.1-lkgr-denoland";
 const AUTOROLL_BRANCH = "autoroll";
 
 function extractVersion() {