diff --git a/packages/flutter_tools/templates/app/pubspec.yaml.tmpl b/packages/flutter_tools/templates/app/pubspec.yaml.tmpl
index 922184cb1a..dbe2b69a98 100644
--- a/packages/flutter_tools/templates/app/pubspec.yaml.tmpl
+++ b/packages/flutter_tools/templates/app/pubspec.yaml.tmpl
@@ -19,7 +19,7 @@ version: 1.0.0+1
 {{/withPluginHook}}
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:
diff --git a/packages/flutter_tools/templates/package/pubspec.yaml.tmpl b/packages/flutter_tools/templates/package/pubspec.yaml.tmpl
index ea602a2532..a2b89fd03e 100644
--- a/packages/flutter_tools/templates/package/pubspec.yaml.tmpl
+++ b/packages/flutter_tools/templates/package/pubspec.yaml.tmpl
@@ -5,7 +5,7 @@ author:
 homepage:
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:
diff --git a/packages/flutter_tools/templates/plugin/pubspec.yaml.tmpl b/packages/flutter_tools/templates/plugin/pubspec.yaml.tmpl
index a74f632b69..c215cb295f 100644
--- a/packages/flutter_tools/templates/plugin/pubspec.yaml.tmpl
+++ b/packages/flutter_tools/templates/plugin/pubspec.yaml.tmpl
@@ -5,7 +5,7 @@ author:
 homepage:
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
   flutter: ">=1.10.0"
 
 dependencies: