diff --git a/pkg/meta/CHANGELOG.md b/pkg/meta/CHANGELOG.md
index f85c196..125dd13 100644
--- a/pkg/meta/CHANGELOG.md
+++ b/pkg/meta/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.3.0-nullsafety.1
+
+* Allow the <=2.9.10 stable sdk.
+
 ## 1.3.0-nullsafety
 
 * Opt into null safety.
diff --git a/pkg/meta/pubspec.yaml b/pkg/meta/pubspec.yaml
index 919ed6a..20cc0bf 100644
--- a/pkg/meta/pubspec.yaml
+++ b/pkg/meta/pubspec.yaml
@@ -1,5 +1,5 @@
 name: meta
-version: 1.3.0-nullsafety
+version: 1.3.0-nullsafety.1
 homepage: https://github.com/dart-lang/sdk/tree/master/pkg/meta
 description: >
  This library contains the declarations of annotations that developers can use
@@ -7,6 +7,5 @@
  analyzing the source code. These annotations are intended to be used by tools
  to provide a better user experience.
 environment:
-  # This must remain a tight constraint (only allow dev versions) until nnbd is
-  # stable.
-  sdk: '>=2.9.0-18.0 <2.9.0'
+  # This must remain a tight constraint until nnbd is stable.
+  sdk: '>=2.9.0-18.0 <=2.9.10'