Updated recommended dependency upper-bound in README.
diff --git a/README.md b/README.md
index 448b496..d9cd2ed 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
 to your `pubspec.yaml` file:
 
     dependencies:
-      fixnum: '>=0.9.1 <1.0.0'
+      fixnum: '>=0.9.1 <0.10.0'
 
 For more information, see the
 [fixnum package](http://pub.dartlang.org/packages/fixnum) on