diff --git a/pkg/_macros/pubspec.yaml b/pkg/_macros/pubspec.yaml
index 42bacac4742..cd1b954241d 100644
--- a/pkg/_macros/pubspec.yaml
+++ b/pkg/_macros/pubspec.yaml
@@ -8,7 +8,7 @@ publish_to: none
 repository: https://github.com/dart-lang/sdk/tree/main/pkg/_macros
 
 environment:
-  sdk: ^3.3.0
+  sdk: ^3.4.0-256.0.dev
 
 # Note that as an SDK vendored package, pub package dependencies are only
 # allowed in the dev_dependencies section.
diff --git a/pkg/macros/CHANGELOG.md b/pkg/macros/CHANGELOG.md
index 5470a0b91ab..94eec88a99c 100644
--- a/pkg/macros/CHANGELOG.md
+++ b/pkg/macros/CHANGELOG.md
@@ -1,3 +1,3 @@
-## 0.1.0
+## 0.1.0-main.0
 
 Initial release, highly experimental at this time.
diff --git a/pkg/macros/pubspec.yaml b/pkg/macros/pubspec.yaml
index 00a9b373375..1dddfc3f6c2 100644
--- a/pkg/macros/pubspec.yaml
+++ b/pkg/macros/pubspec.yaml
@@ -6,7 +6,7 @@ description: >-
 repository: https://github.com/dart-lang/sdk/tree/main/pkg/macros
 
 environment:
-  sdk: ^3.3.0
+  sdk: ^3.4.0-256.0.dev
 
 dependencies:
   _macros: