diff --git a/.github/workflows/oauth2.yml b/.github/workflows/oauth2.yml
index 820dd1a4..da3883df 100644
--- a/.github/workflows/oauth2.yml
+++ b/.github/workflows/oauth2.yml
@@ -29,7 +29,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        sdk: [3.0.0, dev]
+        sdk: [dev]
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
       - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
@@ -62,7 +62,7 @@ jobs:
       matrix:
         # Add macos-latest and/or windows-latest if relevant for this package.
         os: [ubuntu-latest]
-        sdk: [stable, beta]
+        sdk: [3.4, dev]
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
       - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
diff --git a/pkgs/oauth2/CHANGELOG.md b/pkgs/oauth2/CHANGELOG.md
index 33d927e2..ff39de3f 100644
--- a/pkgs/oauth2/CHANGELOG.md
+++ b/pkgs/oauth2/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.4-wip
+
+* Require Dart 3.4
+
 ## 2.0.3
 
 * Require `package:http` v1.0.0
diff --git a/pkgs/oauth2/pubspec.yaml b/pkgs/oauth2/pubspec.yaml
index aeb44d9f..75ded187 100644
--- a/pkgs/oauth2/pubspec.yaml
+++ b/pkgs/oauth2/pubspec.yaml
@@ -1,5 +1,5 @@
 name: oauth2
-version: 2.0.3
+version: 2.0.4-wip
 description: >-
   A client library for authenticating with a remote service via OAuth2 on
   behalf of a user, and making authorized HTTP requests with the user's
@@ -7,7 +7,7 @@ description: >-
 repository: https://github.com/dart-lang/tools/tree/main/pkgs/oauth2
   
 environment:
-  sdk: ^3.0.0
+  sdk: ^3.4.0
 
 dependencies:
   collection: ^1.15.0