diff --git a/changelog.md b/changelog.md
index d349da9..3abc692 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,9 +1,9 @@
 # Changelog
 
 ## 3.1.0
-- switch the method we use to determine the locale to the new dart:io
+- switch the technique we use to determine the locale to the new dart:io
   `Platform.localeName` field
-- change our minimum SDK version to `1.23.0`
+- change our minimum SDK version to `1.24.0`
 
 ## 3.0.1
 - expose the `Analytics.clientId` field
diff --git a/pubspec.yaml b/pubspec.yaml
index 0f1e560..b0cc22a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,7 +9,7 @@
 author: Dart Team <misc@dartlang.org>
 
 environment:
-  sdk: '>=1.23.0-dev.11.7 <2.0.0'
+  sdk: '>=1.24.0-dev.0.0 <2.0.0'
 
 dependencies:
   path: ^1.4.0