diff --git a/pkg/analysis_server/pubspec.yaml b/pkg/analysis_server/pubspec.yaml
index 66e5a1531d9..e5aa192a721 100644
--- a/pkg/analysis_server/pubspec.yaml
+++ b/pkg/analysis_server/pubspec.yaml
@@ -3,7 +3,7 @@ name: analysis_server
 publish_to: none
 
 environment:
-  sdk: '^3.12.0'
+  sdk: '^3.12.0-0'
 
 resolution: workspace
 
diff --git a/pkg/front_end/pubspec.yaml b/pkg/front_end/pubspec.yaml
index 1a8c57b74dd..4e4c639370a 100644
--- a/pkg/front_end/pubspec.yaml
+++ b/pkg/front_end/pubspec.yaml
@@ -6,7 +6,7 @@ name: front_end
 publish_to: none
 
 environment:
-  sdk: '^3.12.0'
+  sdk: '^3.12.0-0'
 
 workspace:
   - testcases
diff --git a/pkg/kernel/pubspec.yaml b/pkg/kernel/pubspec.yaml
index 55f76c995f0..605c7017ca1 100644
--- a/pkg/kernel/pubspec.yaml
+++ b/pkg/kernel/pubspec.yaml
@@ -6,7 +6,7 @@ name: kernel
 publish_to: none
 
 environment:
-  sdk: '^3.12.0'
+  sdk: '^3.12.0-0'
 
 resolution: workspace