diff --git a/.gitmodules b/.gitmodules
index 2e50dce078..c6f7c8073e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -18,7 +18,7 @@
 	url = https://chromium.googlesource.com/chromium/src/buildtools.git
 [submodule "third_party/icu"]
 	path = third_party/icu
-	url = https://github.com/denoland/icu.git
+	url = https://chromium.googlesource.com/chromium/deps/icu.git
 [submodule "third_party/abseil-cpp"]
 	path = third_party/abseil-cpp
 	url = https://chromium.googlesource.com/chromium/src/third_party/abseil-cpp.git
diff --git a/.gn b/.gn
index 1c2b2ce59e..8fddfea67d 100644
--- a/.gn
+++ b/.gn
@@ -78,7 +78,7 @@ default_args = {
 
   # Enable V8 object print for debugging.
   # v8_enable_object_print = true
-  
+
   # V8 12.3 added google/fuzztest as a third party dependency.
   # https://chromium.googlesource.com/v8/v8.git/+/d5acece0c9b89b18716c177d1fcc8f734191e1e2%5E%21/#F4
   #
@@ -92,4 +92,7 @@ default_args = {
   v8_enable_v8_checks = false
 
   use_relative_vtables_abi = false
+
+  # We do not want this data with rusty_v8, it can be provided by e.g. `deno_core_icudata`
+  icu_copy_icudata_to_root_build_dir = false
 }
diff --git a/src/binding.cc b/src/binding.cc
index a2161d176a..684a31a1a9 100644
--- a/src/binding.cc
+++ b/src/binding.cc
@@ -3739,8 +3739,8 @@ void v8__CompiledWasmModule__DELETE(v8::CompiledWasmModule* self) {
 extern "C" {
 
 size_t icu_get_default_locale(char* output, size_t output_len) {
-  const icu_73::Locale& default_locale = icu::Locale::getDefault();
-  icu_73::CheckedArrayByteSink sink(output, static_cast<uint32_t>(output_len));
+  const icu_74::Locale& default_locale = icu::Locale::getDefault();
+  icu_74::CheckedArrayByteSink sink(output, static_cast<uint32_t>(output_len));
   UErrorCode status = U_ZERO_ERROR;
   default_locale.toLanguageTag(sink, status);
   assert(status == U_ZERO_ERROR);
diff --git a/src/icu.rs b/src/icu.rs
index 15c1be3940..370834d9e8 100644
--- a/src/icu.rs
+++ b/src/icu.rs
@@ -5,14 +5,14 @@ use std::ffi::CString;
 extern "C" {
   fn icu_get_default_locale(output: *mut char, output_len: usize) -> usize;
   fn icu_set_default_locale(locale: *const char);
-  fn udata_setCommonData_73(this: *const u8, error_code: *mut i32);
+  fn udata_setCommonData_74(this: *const u8, error_code: *mut i32);
 }
 
 /// This function bypasses the normal ICU data loading process and allows you to force ICU's system
 /// data to come out of a user-specified area in memory.
 ///
 /// ICU data must be at least 8-aligned, and should be 16-aligned. See
-/// https://unicode-org.github.io/icu/userguide/icudata
+/// https://unicode-org.github.io/icu/userguide/icu_data/
 ///
 /// The format of this data is that of the icu common data file, as is generated by the pkgdata
 /// tool with mode=common or mode=dll. You can read in a whole common mode file and pass the
@@ -42,10 +42,10 @@ extern "C" {
 /// functionality for application data.
 // TODO(ry) Map error code to something useful.
 #[inline(always)]
-pub fn set_common_data_73(data: &'static [u8]) -> Result<(), i32> {
+pub fn set_common_data_74(data: &'static [u8]) -> Result<(), i32> {
   let mut error_code = 0i32;
   unsafe {
-    udata_setCommonData_73(data.as_ptr(), &mut error_code);
+    udata_setCommonData_74(data.as_ptr(), &mut error_code);
   }
   if error_code == 0 {
     Ok(())
diff --git a/third_party/icu b/third_party/icu
index a22a8f2422..9408c6fd4a 160000
--- a/third_party/icu
+++ b/third_party/icu
@@ -1 +1 @@
-Subproject commit a22a8f24224ddda8b856437d7e8560de1da3f8e1
+Subproject commit 9408c6fd4a39e6fef0e1c4077602e1c83b15f3fb
diff --git a/tools/update_deps.py b/tools/update_deps.py
index c89dd9bd47..3745602c88 100644
--- a/tools/update_deps.py
+++ b/tools/update_deps.py
@@ -2,7 +2,7 @@
 import subprocess
 
 def process(name, dep):
-    if name == 'build' or name == 'third_party/icu':
+    if name == 'build':
         # We have our own fork of this
         return