diff --git a/README.md b/README.md
index 6c31edfc..f506dd4a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Rusty V8 Binding
 
-V8 Version: 11.7.439.1
+V8 Version: 11.7.439.5
 
 [![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 5163da1e..137fc2a2 160000
--- a/v8
+++ b/v8
@@ -1 +1 @@
-Subproject commit 5163da1ee15f95956b1cf8da5b0a91e7470f4b0f
+Subproject commit 137fc2a297b0f8cf9b1c3f1e7adb86803bad9dda