diff --git a/README.md b/README.md
index 890ebf21..36488cf6 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Rusty V8 Binding
 
-V8 Version: 9.9.115.8
+V8 Version: 9.9.115.9
 
 [![ci](https://github.com/denoland/rusty_v8/workflows/ci/badge.svg?branch=main)](https://github.com/denoland/rusty_v8/actions)
 [![crates](https://img.shields.io/crates/v/v8.svg)](https://crates.io/crates/v8)
diff --git a/v8 b/v8
index 27338152..54421808 160000
--- a/v8
+++ b/v8
@@ -1 +1 @@
-Subproject commit 27338152b50662fec6a70abcc9cdba34a1082c1c
+Subproject commit 54421808b7ceeed65cb1c376dcfcacb4a0ed2c0f