diff --git a/pkg/heap_snapshot/pubspec.yaml b/pkg/heap_snapshot/pubspec.yaml
index 82e09361858..3f22f666523 100644
--- a/pkg/heap_snapshot/pubspec.yaml
+++ b/pkg/heap_snapshot/pubspec.yaml
@@ -3,7 +3,7 @@ name: heap_snapshot
 publish_to: none
 
 environment:
-  sdk: ^3.5.0
+  sdk: '^3.12.0-0'
 
 resolution: workspace
 
diff --git a/pkg/perf_witness/pubspec.yaml b/pkg/perf_witness/pubspec.yaml
index 9907721b110..f343df6a5d3 100644
--- a/pkg/perf_witness/pubspec.yaml
+++ b/pkg/perf_witness/pubspec.yaml
@@ -6,7 +6,7 @@ publish_to: none
 resolution: workspace
 
 environment:
-  sdk: ^3.11.0-0
+  sdk: '^3.12.0-0'
 
 dependencies:
   args: any
diff --git a/pkg/shell_arg_splitter/pubspec.yaml b/pkg/shell_arg_splitter/pubspec.yaml
index b21c3d24cfc..99c591131a8 100644
--- a/pkg/shell_arg_splitter/pubspec.yaml
+++ b/pkg/shell_arg_splitter/pubspec.yaml
@@ -3,7 +3,7 @@ name: shell_arg_splitter
 publish_to: none
 
 environment:
-  sdk: '^3.7.0'
+  sdk: '^3.12.0-0'
 
 resolution: workspace