diff --git a/packages/fuchsia_ctl/pubspec.lock b/packages/fuchsia_ctl/pubspec.lock
index 0d04e98aa5..6fdecb7b11 100644
--- a/packages/fuchsia_ctl/pubspec.lock
+++ b/packages/fuchsia_ctl/pubspec.lock
@@ -7,14 +7,14 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "12.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.39.6"
+    version: "0.40.6"
   args:
     dependency: "direct main"
     description:
@@ -35,7 +35,7 @@ packages:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "1.0.5"
   charcode:
     dependency: transitive
     description:
@@ -43,6 +43,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.3"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0"
   collection:
     dependency: transitive
     description:
@@ -63,7 +70,7 @@ packages:
       name: coverage
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.9"
+    version: "0.14.2"
   crypto:
     dependency: transitive
     description:
@@ -71,13 +78,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.4"
-  csslib:
-    dependency: transitive
-    description:
-      name: csslib
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.16.1"
   file:
     dependency: "direct main"
     description:
@@ -92,13 +92,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
-  html:
-    dependency: transitive
-    description:
-      name: html
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.14.0+3"
   http:
     dependency: transitive
     description:
@@ -154,14 +147,14 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.6"
+    version: "0.12.9"
   meta:
     dependency: "direct main"
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.8"
+    version: "1.2.3"
   mime:
     dependency: transitive
     description:
@@ -176,13 +169,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.1.1"
-  multi_server_socket:
-    dependency: transitive
-    description:
-      name: multi_server_socket
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.2"
   node_interop:
     dependency: transitive
     description:
@@ -211,6 +197,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.9.3"
+  package_resolver:
+    dependency: transitive
+    description:
+      name: package_resolver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.10"
   path:
     dependency: "direct main"
     description:
@@ -219,12 +212,12 @@ packages:
     source: hosted
     version: "1.6.4"
   pedantic:
-    dependency: transitive
+    dependency: "direct dev"
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.2"
   platform:
     dependency: transitive
     description:
@@ -273,7 +266,7 @@ packages:
       name: shelf_packages_handler
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "1.0.4"
   shelf_static:
     dependency: transitive
     description:
@@ -343,21 +336,21 @@ packages:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.2"
+    version: "1.15.5"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.15"
+    version: "0.2.18+1"
   test_core:
     dependency: transitive
     description:
       name: test_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.3"
+    version: "0.3.11+2"
   typed_data:
     dependency: transitive
     description:
@@ -378,7 +371,7 @@ packages:
       name: vm_service
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0"
+    version: "1.2.0"
   watcher:
     dependency: transitive
     description:
@@ -399,7 +392,7 @@ packages:
       name: webkit_inspection_protocol
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.0+1"
+    version: "0.7.4"
   yaml:
     dependency: transitive
     description:
diff --git a/packages/fuchsia_ctl/pubspec.yaml b/packages/fuchsia_ctl/pubspec.yaml
index 7959fd2593..9106bb1d0a 100644
--- a/packages/fuchsia_ctl/pubspec.yaml
+++ b/packages/fuchsia_ctl/pubspec.yaml
@@ -20,5 +20,5 @@ dependencies:
 
 dev_dependencies:
   mockito: ^4.1.1
-  pedantic: ^1.9.2
-  test: ^1.6.9
+  pedantic: 1.9.2
+  test: ^1.15.5
diff --git a/packages/fuchsia_ctl/test/command_line_test.dart b/packages/fuchsia_ctl/test/command_line_test.dart
index 2638c32ea4..38faecde54 100644
--- a/packages/fuchsia_ctl/test/command_line_test.dart
+++ b/packages/fuchsia_ctl/test/command_line_test.dart
@@ -1,7 +1,7 @@
 // Copyright 2020 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
+// @dart = 2.4
 import 'dart:io';
 
 import 'package:mockito/mockito.dart';
diff --git a/packages/fuchsia_ctl/test/dev_finder_test.dart b/packages/fuchsia_ctl/test/dev_finder_test.dart
index ead9a2bcc2..4549a6ac24 100644
--- a/packages/fuchsia_ctl/test/dev_finder_test.dart
+++ b/packages/fuchsia_ctl/test/dev_finder_test.dart
@@ -1,7 +1,7 @@
 // Copyright 2019 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
+// @dart = 2.4
 import 'dart:io';
 
 import 'package:fuchsia_ctl/fuchsia_ctl.dart';
diff --git a/packages/fuchsia_ctl/test/emulator_test.dart b/packages/fuchsia_ctl/test/emulator_test.dart
index 2d7a738789..09f757afbd 100644
--- a/packages/fuchsia_ctl/test/emulator_test.dart
+++ b/packages/fuchsia_ctl/test/emulator_test.dart
@@ -1,7 +1,7 @@
 // Copyright 2019 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
+// @dart = 2.4
 import 'package:file/memory.dart';
 import 'package:mockito/mockito.dart';
 import 'package:test/test.dart';
diff --git a/packages/fuchsia_ctl/test/image_paver_test.dart b/packages/fuchsia_ctl/test/image_paver_test.dart
index f5cc0818be..ee0df4f5c5 100644
--- a/packages/fuchsia_ctl/test/image_paver_test.dart
+++ b/packages/fuchsia_ctl/test/image_paver_test.dart
@@ -1,7 +1,7 @@
 // Copyright 2019 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
+// @dart = 2.4
 import 'dart:async';
 import 'dart:io';
 
diff --git a/packages/fuchsia_ctl/test/logger_test.dart b/packages/fuchsia_ctl/test/logger_test.dart
index 8f059d68b2..4e22f98b72 100644
--- a/packages/fuchsia_ctl/test/logger_test.dart
+++ b/packages/fuchsia_ctl/test/logger_test.dart
@@ -1,7 +1,7 @@
 // Copyright 2020 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
+// @dart = 2.4
 import 'dart:io';
 
 import 'package:file/memory.dart';
diff --git a/packages/fuchsia_ctl/test/package_server_test.dart b/packages/fuchsia_ctl/test/package_server_test.dart
index d9036e4186..7a49d23e00 100644
--- a/packages/fuchsia_ctl/test/package_server_test.dart
+++ b/packages/fuchsia_ctl/test/package_server_test.dart
@@ -1,7 +1,7 @@
 // Copyright 2019 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
+// @dart = 2.4
 import 'dart:io' show ProcessResult;
 import 'dart:math' show Random;
 
diff --git a/packages/fuchsia_ctl/test/ssh_client_test.dart b/packages/fuchsia_ctl/test/ssh_client_test.dart
index f0d2044adc..c5428c4abe 100644
--- a/packages/fuchsia_ctl/test/ssh_client_test.dart
+++ b/packages/fuchsia_ctl/test/ssh_client_test.dart
@@ -1,7 +1,7 @@
 // Copyright 2019 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
+// @dart = 2.4
 import 'dart:async';
 
 import 'package:file/file.dart';
diff --git a/packages/fuchsia_ctl/test/ssh_key_manager_test.dart b/packages/fuchsia_ctl/test/ssh_key_manager_test.dart
index e8f6b5b601..37c773cdfc 100644
--- a/packages/fuchsia_ctl/test/ssh_key_manager_test.dart
+++ b/packages/fuchsia_ctl/test/ssh_key_manager_test.dart
@@ -1,3 +1,4 @@
+// @dart = 2.4
 import 'dart:io';
 
 import 'package:file/file.dart';
diff --git a/packages/fuchsia_ctl/test/tar_test.dart b/packages/fuchsia_ctl/test/tar_test.dart
index 58225c4cb3..ee08006ba7 100644
--- a/packages/fuchsia_ctl/test/tar_test.dart
+++ b/packages/fuchsia_ctl/test/tar_test.dart
@@ -1,7 +1,7 @@
 // Copyright 2020 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
+// @dart = 2.4
 import 'dart:async';
 import 'dart:io';