diff --git a/Cargo.lock b/Cargo.lock
index 136d2514..b78ea707 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1183,7 +1183,7 @@ checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
 [[package]]
 name = "v8"
-version = "0.46.0"
+version = "0.47.0"
 dependencies = [
  "align-data",
  "bitflags",
diff --git a/Cargo.toml b/Cargo.toml
index 957df6d8..8102cb2a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "v8"
-version = "0.46.0"
+version = "0.47.0"
 description = "Rust bindings to V8"
 readme = "README.md"
 authors = ["the Deno authors"]
diff --git a/README.md b/README.md
index 6dfddd3a..1abe2c45 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Rusty V8 Binding
 
-V8 Version: 10.4.132.19
+V8 Version: 10.5.218.1
 
 [![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/build.rs b/build.rs
index 55ff5b44..27f63aad 100644
--- a/build.rs
+++ b/build.rs
@@ -748,7 +748,7 @@ fn rerun_if_changed(out_dir: &Path, maybe_env: Option<NinjaEnv>, target: &str) {
   let deps = ninja_get_deps(out_dir, maybe_env, target);
   for d in deps {
     let p = out_dir.join(d);
-    assert!(p.exists());
+    assert!(p.exists(), "Path doesn't exist: {:?}", p);
     println!("cargo:rerun-if-changed={}", p.display());
   }
 }
diff --git a/tests/test_api.rs b/tests/test_api.rs
index dad69e6f..462e4c75 100644
--- a/tests/test_api.rs
+++ b/tests/test_api.rs
@@ -37,7 +37,7 @@ fn setup() -> SetupGuard {
     ))
     .is_ok());
     v8::V8::set_flags_from_string(
-      "--expose_gc --harmony-import-assertions --harmony-shadow-realm --allow_natives_syntax --turbo_fast_api_calls",
+      "--no_freeze_flags_after_init --expose_gc --harmony-import-assertions --harmony-shadow-realm --allow_natives_syntax --turbo_fast_api_calls",
     );
     v8::V8::initialize_platform(
       v8::new_default_platform(0, false).make_shared(),
@@ -5703,6 +5703,13 @@ fn wasm_streaming_callback() {
 
   ws.finish();
   assert!(!scope.has_pending_background_tasks());
+  assert!(global.get(scope, name).unwrap().is_null());
+
+  while v8::Platform::pump_message_loop(
+    &v8::V8::get_current_platform(),
+    scope,
+    false, // don't block if there are no tasks
+  ) {}
 
   // We did not set wasm resolve callback so V8 uses the default one that
   // runs microtasks automatically.
@@ -5729,6 +5736,11 @@ fn wasm_streaming_callback() {
   ws.abort(Some(exception));
   // We did not set wasm resolve callback so V8 uses the default one that
   // runs microtasks automatically.
+  while v8::Platform::pump_message_loop(
+    &v8::V8::get_current_platform(),
+    scope,
+    false, // don't block if there are no tasks
+  ) {}
   assert!(global.get(scope, name).unwrap().strict_equals(exception));
 }
 
diff --git a/v8 b/v8
index ea155d70..d50c91cc 160000
--- a/v8
+++ b/v8
@@ -1 +1 @@
-Subproject commit ea155d70c9a37c0d161b54de2e5cbf477205e138
+Subproject commit d50c91cc9e5baab72fd876b7c05acb002810e0d6