diff --git a/DEPS b/DEPS
index 11c2e71d5a4d2..83afec1faa3f0 100644
--- a/DEPS
+++ b/DEPS
@@ -66,7 +66,7 @@ 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': 'ff7e92c7886dc4d78ccf21f870e620725811b31b',
+  'dart_revision': 'b21443096387b281a14e947b300df3e9f91054f2',
 
   # 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/ci/licenses_golden/licenses_dart b/ci/licenses_golden/licenses_dart
index c20db4b26c935..9a1c3dcafc646 100644
--- a/ci/licenses_golden/licenses_dart
+++ b/ci/licenses_golden/licenses_dart
@@ -1,4 +1,4 @@
-Signature: d99bcb9a47be134ddce44fd02437b94c
+Signature: 06486b08d62f2d74956d6d88fab85d66
 
 ====================================================================================================
 LIBRARY: dart