diff --git a/DEPS b/DEPS
index 0a3a0198f6a..fe822e7b30f 100644
--- a/DEPS
+++ b/DEPS
@@ -56,7 +56,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/main/DEPS
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '721dce1c919994694873d41fec5c58489a5ea22b',
+  'dart_revision': '55cfa1d9f8471d5ef2f4346a104b2be110db824f',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
diff --git a/engine/src/flutter/ci/licenses_golden/licenses_dart b/engine/src/flutter/ci/licenses_golden/licenses_dart
index 9dce1913db2..d504816e699 100644
--- a/engine/src/flutter/ci/licenses_golden/licenses_dart
+++ b/engine/src/flutter/ci/licenses_golden/licenses_dart
@@ -1,4 +1,4 @@
-Signature: 97e03417a85a7c45bfa501666c1c6855
+Signature: 4a426bfcf2608c3c0393d31fc04caeeb
 
 ====================================================================================================
 LIBRARY: dart
@@ -4232,8 +4232,6 @@ ORIGIN: ../../../flutter/third_party/dart/runtime/engine/include/dart_engine.h +
 ORIGIN: ../../../flutter/third_party/dart/runtime/platform/list_queue.h + ../../../flutter/third_party/dart/LICENSE
 ORIGIN: ../../../flutter/third_party/dart/runtime/platform/lockers.h + ../../../flutter/third_party/dart/LICENSE
 ORIGIN: ../../../flutter/third_party/dart/runtime/tools/generate_dart_api_win_c.dart + ../../../flutter/third_party/dart/LICENSE
-ORIGIN: ../../../flutter/third_party/dart/runtime/vm/microtask_mirror_queues.cc + ../../../flutter/third_party/dart/LICENSE
-ORIGIN: ../../../flutter/third_party/dart/runtime/vm/microtask_mirror_queues.h + ../../../flutter/third_party/dart/LICENSE
 ORIGIN: ../../../flutter/third_party/dart/runtime/vm/simulator_arm64_trampolines.S + ../../../flutter/third_party/dart/LICENSE
 ORIGIN: ../../../flutter/third_party/dart/sdk/lib/_internal/wasm/lib/dynamic_module.dart + ../../../flutter/third_party/dart/LICENSE
 ORIGIN: ../../../flutter/third_party/dart/sdk/lib/_internal/wasm/lib/function_patch.dart + ../../../flutter/third_party/dart/LICENSE
@@ -4246,8 +4244,6 @@ FILE: ../../../flutter/third_party/dart/runtime/engine/include/dart_engine.h
 FILE: ../../../flutter/third_party/dart/runtime/platform/list_queue.h
 FILE: ../../../flutter/third_party/dart/runtime/platform/lockers.h
 FILE: ../../../flutter/third_party/dart/runtime/tools/generate_dart_api_win_c.dart
-FILE: ../../../flutter/third_party/dart/runtime/vm/microtask_mirror_queues.cc
-FILE: ../../../flutter/third_party/dart/runtime/vm/microtask_mirror_queues.h
 FILE: ../../../flutter/third_party/dart/runtime/vm/simulator_arm64_trampolines.S
 FILE: ../../../flutter/third_party/dart/sdk/lib/_internal/wasm/lib/dynamic_module.dart
 FILE: ../../../flutter/third_party/dart/sdk/lib/_internal/wasm/lib/function_patch.dart
@@ -4868,7 +4864,7 @@ Exhibit B - "Incompatible With Secondary Licenses" Notice
   This Source Code Form is "Incompatible With Secondary Licenses", as
   defined by the Mozilla Public License, v. 2.0.
 
-You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/ba5acf1e38b1484098a60346b0e218f6afe818a1
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/55cfa1d9f8471d5ef2f4346a104b2be110db824f
 /third_party/fallback_root_certificates/
 
 ====================================================================================================
diff --git a/engine/src/flutter/sky/packages/sky_engine/LICENSE b/engine/src/flutter/sky/packages/sky_engine/LICENSE
index dd489b3b22b..a225ad3f00e 100644
--- a/engine/src/flutter/sky/packages/sky_engine/LICENSE
+++ b/engine/src/flutter/sky/packages/sky_engine/LICENSE
@@ -30447,7 +30447,7 @@ Exhibit B - "Incompatible With Secondary Licenses" Notice
   This Source Code Form is "Incompatible With Secondary Licenses", as
   defined by the Mozilla Public License, v. 2.0.
 
-You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/721dce1c919994694873d41fec5c58489a5ea22b
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/55cfa1d9f8471d5ef2f4346a104b2be110db824f
 /third_party/fallback_root_certificates/
 
 --------------------------------------------------------------------------------