diff --git a/ci/bin/format.dart b/ci/bin/format.dart
index 9f6674c1ef69a..e68e046533c6f 100644
--- a/ci/bin/format.dart
+++ b/ci/bin/format.dart
@@ -304,19 +304,14 @@ abstract class FormatChecker {
 /// Checks and formats C++/ObjC/Shader files using clang-format.
 class ClangFormatChecker extends FormatChecker {
   ClangFormatChecker({
-    ProcessManager processManager = const LocalProcessManager(),
-    required String baseGitRef,
-    required Directory repoDir,
+    super.processManager,
+    required super.baseGitRef,
+    required super.repoDir,
     required Directory srcDir,
-    bool allFiles = false,
-    MessageCallback? messageCallback,
+    super.allFiles,
+    super.messageCallback,
   }) : super(
-          processManager: processManager,
-          baseGitRef: baseGitRef,
-          repoDir: repoDir,
           srcDir: srcDir,
-          allFiles: allFiles,
-          messageCallback: messageCallback,
         ) {
     /*late*/ String clangOs;
     if (Platform.isLinux) {
@@ -449,19 +444,14 @@ class ClangFormatChecker extends FormatChecker {
 /// Checks the format of Java files uing the Google Java format checker.
 class JavaFormatChecker extends FormatChecker {
   JavaFormatChecker({
-    ProcessManager processManager = const LocalProcessManager(),
-    required String baseGitRef,
-    required Directory repoDir,
+    super.processManager,
+    required super.baseGitRef,
+    required super.repoDir,
     required Directory srcDir,
-    bool allFiles = false,
-    MessageCallback? messageCallback,
+    super.allFiles,
+    super.messageCallback,
   }) : super(
-          processManager: processManager,
-          baseGitRef: baseGitRef,
-          repoDir: repoDir,
           srcDir: srcDir,
-          allFiles: allFiles,
-          messageCallback: messageCallback,
         ) {
     googleJavaFormatJar = File(
       path.absolute(
@@ -596,19 +586,14 @@ class JavaFormatChecker extends FormatChecker {
 /// Checks the format of any BUILD.gn files using the "gn format" command.
 class GnFormatChecker extends FormatChecker {
   GnFormatChecker({
-    ProcessManager processManager = const LocalProcessManager(),
-    required String baseGitRef,
+    super.processManager,
+    required super.baseGitRef,
     required Directory repoDir,
-    required Directory srcDir,
-    bool allFiles = false,
-    MessageCallback? messageCallback,
+    required super.srcDir,
+    super.allFiles,
+    super.messageCallback,
   }) : super(
-          processManager: processManager,
-          baseGitRef: baseGitRef,
           repoDir: repoDir,
-          srcDir: srcDir,
-          allFiles: allFiles,
-          messageCallback: messageCallback,
         ) {
     gnBinary = File(
       path.join(
@@ -687,19 +672,14 @@ class GnFormatChecker extends FormatChecker {
 /// Checks the format of any .py files using the "yapf" command.
 class PythonFormatChecker extends FormatChecker {
   PythonFormatChecker({
-    ProcessManager processManager = const LocalProcessManager(),
-    required String baseGitRef,
+    super.processManager,
+    required super.baseGitRef,
     required Directory repoDir,
-    required Directory srcDir,
-    bool allFiles = false,
-    MessageCallback? messageCallback,
+    required super.srcDir,
+    super.allFiles,
+    super.messageCallback,
   }) : super(
-          processManager: processManager,
-          baseGitRef: baseGitRef,
           repoDir: repoDir,
-          srcDir: srcDir,
-          allFiles: allFiles,
-          messageCallback: messageCallback,
         ) {
     yapfBin = File(path.join(
       repoDir.absolute.path,
@@ -787,20 +767,13 @@ class _GrepResult {
 /// Checks for trailing whitspace in Dart files.
 class WhitespaceFormatChecker extends FormatChecker {
   WhitespaceFormatChecker({
-    ProcessManager processManager = const LocalProcessManager(),
-    required String baseGitRef,
-    required Directory repoDir,
-    required Directory srcDir,
-    bool allFiles = false,
-    MessageCallback? messageCallback,
-  }) : super(
-          processManager: processManager,
-          baseGitRef: baseGitRef,
-          repoDir: repoDir,
-          srcDir: srcDir,
-          allFiles: allFiles,
-          messageCallback: messageCallback,
-        );
+    super.processManager,
+    required super.baseGitRef,
+    required super.repoDir,
+    required super.srcDir,
+    super.allFiles,
+    super.messageCallback,
+  });
 
   @override
   Future<bool> checkFormatting() async {
diff --git a/ci/pubspec.yaml b/ci/pubspec.yaml
index 11583566998d5..6b09e88641e9c 100644
--- a/ci/pubspec.yaml
+++ b/ci/pubspec.yaml
@@ -5,7 +5,7 @@
 name: ci_scripts
 publish_to: none
 environment:
-  sdk: '>=2.12.0-0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party/pkg, //third_party/dart/pkg, or
diff --git a/flutter_frontend_server/pubspec.yaml b/flutter_frontend_server/pubspec.yaml
index b492661d4804b..48ed1a4928a18 100644
--- a/flutter_frontend_server/pubspec.yaml
+++ b/flutter_frontend_server/pubspec.yaml
@@ -18,7 +18,7 @@ homepage: https://flutter.dev
 # relative to this directory into //third_party/dart
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dependencies:
   args: any
diff --git a/impeller/tessellator/dart/pubspec.yaml b/impeller/tessellator/dart/pubspec.yaml
index 4f09e8272da5c..fc17320855790 100644
--- a/impeller/tessellator/dart/pubspec.yaml
+++ b/impeller/tessellator/dart/pubspec.yaml
@@ -8,4 +8,4 @@ publish_to: none
 homepage: https://github.com/flutter/impeller/tree/main/tessellator/dart
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/lib/snapshot/pubspec.yaml b/lib/snapshot/pubspec.yaml
index f9aaabf880163..bb7cd30be46ca 100644
--- a/lib/snapshot/pubspec.yaml
+++ b/lib/snapshot/pubspec.yaml
@@ -5,4 +5,4 @@
 # This file is needed by Fuchsia's dart_library template.
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/lib/web_ui/pubspec.yaml b/lib/web_ui/pubspec.yaml
index 3f688e4af962a..eb402787515dd 100644
--- a/lib/web_ui/pubspec.yaml
+++ b/lib/web_ui/pubspec.yaml
@@ -3,7 +3,7 @@ publish_to: none
 
 # Keep the SDK version range in sync with pubspecs under web_sdk
 environment:
-  sdk: ">=2.19.0 <3.0.0"
+  sdk: '>=2.19.0 <4.0.0'
 
 dependencies:
   js: 0.6.4
diff --git a/shell/platform/fuchsia/dart-pkg/fuchsia/pubspec.yaml b/shell/platform/fuchsia/dart-pkg/fuchsia/pubspec.yaml
index b6f4924b50621..16fe4cdd83d71 100644
--- a/shell/platform/fuchsia/dart-pkg/fuchsia/pubspec.yaml
+++ b/shell/platform/fuchsia/dart-pkg/fuchsia/pubspec.yaml
@@ -3,4 +3,4 @@
 # found in the LICENSE file.
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/shell/platform/fuchsia/dart-pkg/zircon/pubspec.yaml b/shell/platform/fuchsia/dart-pkg/zircon/pubspec.yaml
index d82a3ccf9e8b4..121b528580c14 100644
--- a/shell/platform/fuchsia/dart-pkg/zircon/pubspec.yaml
+++ b/shell/platform/fuchsia/dart-pkg/zircon/pubspec.yaml
@@ -5,7 +5,7 @@
 name: zircon
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 
 # Uncomment block for local testing
diff --git a/shell/platform/fuchsia/dart-pkg/zircon_ffi/pubspec.yaml b/shell/platform/fuchsia/dart-pkg/zircon_ffi/pubspec.yaml
index 51113aa82fdd2..5e3507cef3c23 100644
--- a/shell/platform/fuchsia/dart-pkg/zircon_ffi/pubspec.yaml
+++ b/shell/platform/fuchsia/dart-pkg/zircon_ffi/pubspec.yaml
@@ -1,7 +1,7 @@
 name: zircon_ffi
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dependencies:
   ffi: ^1.0.0
diff --git a/shell/platform/fuchsia/dart_runner/embedder/pubspec.yaml b/shell/platform/fuchsia/dart_runner/embedder/pubspec.yaml
index 95d02521eaa7c..0bda0be6f7c95 100644
--- a/shell/platform/fuchsia/dart_runner/embedder/pubspec.yaml
+++ b/shell/platform/fuchsia/dart_runner/embedder/pubspec.yaml
@@ -6,5 +6,5 @@
 # template in BUILD.gn.
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
diff --git a/shell/platform/fuchsia/dart_runner/vmservice/pubspec.yaml b/shell/platform/fuchsia/dart_runner/vmservice/pubspec.yaml
index d0e8360c33486..09da15ac00b35 100644
--- a/shell/platform/fuchsia/dart_runner/vmservice/pubspec.yaml
+++ b/shell/platform/fuchsia/dart_runner/vmservice/pubspec.yaml
@@ -3,5 +3,5 @@
 # found in the LICENSE file.
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
diff --git a/shell/platform/fuchsia/flutter/kernel/pubspec.yaml b/shell/platform/fuchsia/flutter/kernel/pubspec.yaml
index b6f4924b50621..16fe4cdd83d71 100644
--- a/shell/platform/fuchsia/flutter/kernel/pubspec.yaml
+++ b/shell/platform/fuchsia/flutter/kernel/pubspec.yaml
@@ -3,4 +3,4 @@
 # found in the LICENSE file.
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/shell/platform/fuchsia/flutter/tests/integration/embedder/child-view/pubspec.yaml b/shell/platform/fuchsia/flutter/tests/integration/embedder/child-view/pubspec.yaml
index a50988f1a4baf..fc1d582237cd2 100644
--- a/shell/platform/fuchsia/flutter/tests/integration/embedder/child-view/pubspec.yaml
+++ b/shell/platform/fuchsia/flutter/tests/integration/embedder/child-view/pubspec.yaml
@@ -5,4 +5,4 @@
 name: child_view2
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/shell/platform/fuchsia/flutter/tests/integration/embedder/parent-view/pubspec.yaml b/shell/platform/fuchsia/flutter/tests/integration/embedder/parent-view/pubspec.yaml
index 151abb7e2d131..201cf3fa56906 100644
--- a/shell/platform/fuchsia/flutter/tests/integration/embedder/parent-view/pubspec.yaml
+++ b/shell/platform/fuchsia/flutter/tests/integration/embedder/parent-view/pubspec.yaml
@@ -5,4 +5,4 @@
 name: parent-view2
 
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/shell/platform/fuchsia/flutter/tests/integration/mouse-input/mouse-input-view/pubspec.yaml b/shell/platform/fuchsia/flutter/tests/integration/mouse-input/mouse-input-view/pubspec.yaml
index a557dbe433abd..c3196484ca75f 100644
--- a/shell/platform/fuchsia/flutter/tests/integration/mouse-input/mouse-input-view/pubspec.yaml
+++ b/shell/platform/fuchsia/flutter/tests/integration/mouse-input/mouse-input-view/pubspec.yaml
@@ -5,4 +5,4 @@
 name: mouse-input-view
 
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/shell/platform/fuchsia/flutter/tests/integration/text-input/text-input-view/pubspec.yaml b/shell/platform/fuchsia/flutter/tests/integration/text-input/text-input-view/pubspec.yaml
index 30c6e7096ef8c..f15d93799943b 100644
--- a/shell/platform/fuchsia/flutter/tests/integration/text-input/text-input-view/pubspec.yaml
+++ b/shell/platform/fuchsia/flutter/tests/integration/text-input/text-input-view/pubspec.yaml
@@ -5,4 +5,4 @@
 name: text-input-view
 
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/shell/platform/fuchsia/flutter/tests/integration/touch-input/embedding-flutter-view/pubspec.yaml b/shell/platform/fuchsia/flutter/tests/integration/touch-input/embedding-flutter-view/pubspec.yaml
index fcd78ccdc8d9a..5051384ec5bea 100644
--- a/shell/platform/fuchsia/flutter/tests/integration/touch-input/embedding-flutter-view/pubspec.yaml
+++ b/shell/platform/fuchsia/flutter/tests/integration/touch-input/embedding-flutter-view/pubspec.yaml
@@ -5,4 +5,4 @@
 name: embedding-flutter-view
 
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/shell/platform/fuchsia/flutter/tests/integration/touch-input/touch-input-view/pubspec.yaml b/shell/platform/fuchsia/flutter/tests/integration/touch-input/touch-input-view/pubspec.yaml
index cc78c78f090eb..3e8e25f294cbf 100644
--- a/shell/platform/fuchsia/flutter/tests/integration/touch-input/touch-input-view/pubspec.yaml
+++ b/shell/platform/fuchsia/flutter/tests/integration/touch-input/touch-input-view/pubspec.yaml
@@ -5,4 +5,4 @@
 name: touch-input-view
 
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/shell/platform/fuchsia/runtime/dart/profiler_symbols/pubspec.yaml b/shell/platform/fuchsia/runtime/dart/profiler_symbols/pubspec.yaml
index 56bddf8c6277a..519e6f49fd1a5 100644
--- a/shell/platform/fuchsia/runtime/dart/profiler_symbols/pubspec.yaml
+++ b/shell/platform/fuchsia/runtime/dart/profiler_symbols/pubspec.yaml
@@ -4,7 +4,7 @@
 
 name: profiler_symbols
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 version: 0
 description: Extracts a minimal symbols table for the Dart VM profiler
 author: Dart Team <misc@dartlang.org>
diff --git a/shell/vmservice/pubspec.yaml b/shell/vmservice/pubspec.yaml
index 7c1f613b34059..d8061c2f61dbb 100644
--- a/shell/vmservice/pubspec.yaml
+++ b/shell/vmservice/pubspec.yaml
@@ -5,4 +5,4 @@
 name: vmservice_snapshot
 publish_to: none
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/sky/packages/sky_engine/pubspec.yaml b/sky/packages/sky_engine/pubspec.yaml
index 9d357357db336..c613749d4bbc5 100644
--- a/sky/packages/sky_engine/pubspec.yaml
+++ b/sky/packages/sky_engine/pubspec.yaml
@@ -5,4 +5,4 @@ description: Dart SDK extensions for dart:ui
 homepage: http://flutter.io
 # sky_engine requires sdk_ext support in the analyzer which was added in 1.11.x
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: '>=3.0.0-0 <4.0.0'
diff --git a/testing/android_background_image/pubspec.yaml b/testing/android_background_image/pubspec.yaml
index 361922d8fd21f..82a37fd9f4831 100644
--- a/testing/android_background_image/pubspec.yaml
+++ b/testing/android_background_image/pubspec.yaml
@@ -5,7 +5,7 @@
 name: android_background_image
 publish_to: none
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party/dart/pkg, //third_party/dart/third_party/pkg, or
diff --git a/testing/benchmark/pubspec.yaml b/testing/benchmark/pubspec.yaml
index 9aa5acda38916..dc860ed38d7ca 100644
--- a/testing/benchmark/pubspec.yaml
+++ b/testing/benchmark/pubspec.yaml
@@ -5,7 +5,7 @@
 name: flutter_engine_benchmark
 publish_to: none
 environment:
-  sdk: '>=2.12.0-0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party/pkg, //third_party/dart/pkg, or
diff --git a/testing/dart/pubspec.yaml b/testing/dart/pubspec.yaml
index cebfd589104ab..c2f4df9744cde 100644
--- a/testing/dart/pubspec.yaml
+++ b/testing/dart/pubspec.yaml
@@ -14,7 +14,7 @@ publish_to: none
 # relative to this directory into //third_party/dart
 
 environment:
-  sdk: '>=2.17.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dependencies:
   litetest: any
diff --git a/testing/litetest/pubspec.yaml b/testing/litetest/pubspec.yaml
index 905a4999a9d30..392ce6411fcd7 100644
--- a/testing/litetest/pubspec.yaml
+++ b/testing/litetest/pubspec.yaml
@@ -14,7 +14,7 @@ publish_to: none
 # relative to this directory into //third_party/dart
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dependencies:
   async_helper: any
diff --git a/testing/scenario_app/pubspec.yaml b/testing/scenario_app/pubspec.yaml
index 696d3871584ad..c90a33d7f3204 100644
--- a/testing/scenario_app/pubspec.yaml
+++ b/testing/scenario_app/pubspec.yaml
@@ -5,7 +5,7 @@
 name: scenario_app
 publish_to: none
 environment:
-  sdk: '>=2.17.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party/dart/pkg, //third_party/dart/third_party/pkg, or
diff --git a/testing/skia_gold_client/pubspec.yaml b/testing/skia_gold_client/pubspec.yaml
index bd6d3082d7c2d..9f39ae9b2806e 100644
--- a/testing/skia_gold_client/pubspec.yaml
+++ b/testing/skia_gold_client/pubspec.yaml
@@ -5,7 +5,7 @@
 name: skia_gold_client
 publish_to: none
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party/dart/pkg, //third_party/dart/third_party/pkg, or
diff --git a/testing/smoke_test_failure/pubspec.yaml b/testing/smoke_test_failure/pubspec.yaml
index c51c8cecbe7e8..df2f11055e778 100644
--- a/testing/smoke_test_failure/pubspec.yaml
+++ b/testing/smoke_test_failure/pubspec.yaml
@@ -5,7 +5,7 @@
 name: smoke_test_failure
 publish_to: none
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party/dart/pkg or //third_party/dart/third_party/pkg.
diff --git a/testing/symbols/pubspec.yaml b/testing/symbols/pubspec.yaml
index 6f78767c10912..ab9d4b49a8d67 100644
--- a/testing/symbols/pubspec.yaml
+++ b/testing/symbols/pubspec.yaml
@@ -5,7 +5,7 @@
 name: verify_exported
 publish_to: none
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party/pkg, //third_party/dart/pkg, or
diff --git a/third_party/web_locale_keymap/pubspec.yaml b/third_party/web_locale_keymap/pubspec.yaml
index c9c7518d01ed1..2da80a46c5108 100644
--- a/third_party/web_locale_keymap/pubspec.yaml
+++ b/third_party/web_locale_keymap/pubspec.yaml
@@ -3,7 +3,7 @@ name: web_locale_keymap
 publish_to: none
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dev_dependencies:
   test: ^1.21.7
diff --git a/third_party/web_test_fonts/pubspec.yaml b/third_party/web_test_fonts/pubspec.yaml
index 427accd1f6a67..6c2af49caa236 100644
--- a/third_party/web_test_fonts/pubspec.yaml
+++ b/third_party/web_test_fonts/pubspec.yaml
@@ -3,7 +3,7 @@ name: web_test_fonts
 publish_to: none
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dev_dependencies:
   args: any
diff --git a/third_party/web_unicode/pubspec.yaml b/third_party/web_unicode/pubspec.yaml
index 8d9281ee95302..99b6d98c56688 100644
--- a/third_party/web_unicode/pubspec.yaml
+++ b/third_party/web_unicode/pubspec.yaml
@@ -3,7 +3,7 @@ name: web_unicode
 publish_to: none
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dev_dependencies:
   args: any
diff --git a/tools/android_lint/pubspec.yaml b/tools/android_lint/pubspec.yaml
index 81eb92b208841..4c62944ea4617 100644
--- a/tools/android_lint/pubspec.yaml
+++ b/tools/android_lint/pubspec.yaml
@@ -4,7 +4,7 @@
 
 name: android_lint
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party.pkg, //third_party/dart/pkg, or
diff --git a/tools/api_check/pubspec.yaml b/tools/api_check/pubspec.yaml
index 60a1493a0247a..1457897656329 100644
--- a/tools/api_check/pubspec.yaml
+++ b/tools/api_check/pubspec.yaml
@@ -14,7 +14,7 @@ publish_to: none
 # relative to this directory into //third_party/dart
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party/pkg, //third_party/dart/pkg, or
diff --git a/tools/clang_tidy/pubspec.yaml b/tools/clang_tidy/pubspec.yaml
index 7e89c33285ceb..46befe2929db6 100644
--- a/tools/clang_tidy/pubspec.yaml
+++ b/tools/clang_tidy/pubspec.yaml
@@ -5,7 +5,7 @@
 name: clang_tidy
 publish_to: none
 environment:
-  sdk: '>=2.12.0-0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party/pkg, //third_party/dart/pkg, or
diff --git a/tools/const_finder/pubspec.yaml b/tools/const_finder/pubspec.yaml
index 9e4804c8aa400..b174754fff0df 100644
--- a/tools/const_finder/pubspec.yaml
+++ b/tools/const_finder/pubspec.yaml
@@ -6,7 +6,7 @@ name: const_finder
 publish_to: none
 
 environment:
-  sdk: ">=2.17.0 <4.0.0"
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party/dart/pkg or //third_party/dart/third_party/pkg.
diff --git a/tools/gen_web_locale_keymap/pubspec.yaml b/tools/gen_web_locale_keymap/pubspec.yaml
index a1c1f055ccd1b..e7987d6338aec 100644
--- a/tools/gen_web_locale_keymap/pubspec.yaml
+++ b/tools/gen_web_locale_keymap/pubspec.yaml
@@ -2,7 +2,7 @@ name: gen_web_keyboard_keymap
 description: Generates keyboard layouts for Web from external sources.
 
 environment:
-  sdk: ">=2.18.0-0 <3.0.0"
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dependencies:
   args: any
diff --git a/tools/githooks/pubspec.yaml b/tools/githooks/pubspec.yaml
index 891f45852b1b8..6b5bb5c2340a7 100644
--- a/tools/githooks/pubspec.yaml
+++ b/tools/githooks/pubspec.yaml
@@ -5,7 +5,7 @@
 name: githooks
 publish_to: none
 environment:
-  sdk: '>=2.12.0-0.0.dev <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided in
 # //third_party.pkg, //third_party/dart/pkg, or
diff --git a/tools/licenses/pubspec.yaml b/tools/licenses/pubspec.yaml
index 71e93ce5ed377..85f69a2bad58b 100644
--- a/tools/licenses/pubspec.yaml
+++ b/tools/licenses/pubspec.yaml
@@ -5,7 +5,7 @@
 name: licenses
 publish_to: none
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 # Do not add any dependencies that require more than what is provided
 # in //third_party.pkg, //third_party/dart/pkg, or
diff --git a/tools/path_ops/dart/pubspec.yaml b/tools/path_ops/dart/pubspec.yaml
index 2db190830779d..db4d16542f5f1 100644
--- a/tools/path_ops/dart/pubspec.yaml
+++ b/tools/path_ops/dart/pubspec.yaml
@@ -8,7 +8,7 @@ publish_to: none
 homepage: https://github.com/flutter/engine/tree/main/tools/path_ops
 
 environment:
-  sdk: '>=2.17.0 <3.0.0'
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dev_dependencies:
   litetest: any
diff --git a/web_sdk/pubspec.yaml b/web_sdk/pubspec.yaml
index c97581317f1ef..d452fbe0a4db6 100644
--- a/web_sdk/pubspec.yaml
+++ b/web_sdk/pubspec.yaml
@@ -2,7 +2,7 @@ name: web_sdk_tests
 
 # Keep the SDK version range in sync with lib/web_ui/pubspec.yaml
 environment:
-  sdk: ">=2.19.0 <3.0.0"
+  sdk: '>=2.19.0 <4.0.0'
 
 dependencies:
   args: 2.3.1
diff --git a/web_sdk/web_engine_tester/pubspec.yaml b/web_sdk/web_engine_tester/pubspec.yaml
index 820ad1629eb7c..06ab52b319740 100644
--- a/web_sdk/web_engine_tester/pubspec.yaml
+++ b/web_sdk/web_engine_tester/pubspec.yaml
@@ -2,7 +2,7 @@ name: web_engine_tester
 
 # Keep the SDK version range in sync with lib/web_ui/pubspec.yaml
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dependencies:
   js: 0.6.4
diff --git a/web_sdk/web_test_utils/pubspec.yaml b/web_sdk/web_test_utils/pubspec.yaml
index 03aac1e7e629a..c9b8530271a9a 100644
--- a/web_sdk/web_test_utils/pubspec.yaml
+++ b/web_sdk/web_test_utils/pubspec.yaml
@@ -2,7 +2,7 @@ name: web_test_utils
 
 # Keep the SDK version range in sync with lib/web_ui/pubspec.yaml
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: '>=3.0.0-0 <4.0.0'
 
 dependencies:
   collection: 1.15.0