diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd213b1..0c56ab1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
-# Changelog
+## 1.0.1
+
+* Small improvement in percent decoder efficiency.
 
 ## 1.0.0
 
-- Initial version
+* Initial version
diff --git a/lib/src/percent/decoder.dart b/lib/src/percent/decoder.dart
index 0740636..4d8f994 100644
--- a/lib/src/percent/decoder.dart
+++ b/lib/src/percent/decoder.dart
@@ -199,7 +199,7 @@
     // than can be copied to the buffer as-is.
     if (i > sliceStart) {
       _checkForInvalidCodeUnit(codeUnitOr, codeUnits, sliceStart, i);
-      buffer.addAll(codeUnits.getRange(sliceStart, i));
+      buffer.addAll(codeUnits, sliceStart, i);
     }
 
     // Now decode the percent-encoded byte and add it as well.
@@ -222,7 +222,7 @@
     if (start == sliceStart) {
       buffer.addAll(codeUnits);
     } else {
-      buffer.addAll(codeUnits.getRange(sliceStart, end));
+      buffer.addAll(codeUnits, sliceStart, end);
     }
   }
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 48ef140..0dc393b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: convert
-version: 1.0.0
+version: 1.0.1
 description: Utilities for converting between data representations.
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/convert
@@ -9,7 +9,7 @@
 
 dependencies:
   charcode: '^1.1.0'
-  typed_data: '^1.0.0'
+  typed_data: '^1.1.0'
 
 dev_dependencies:
   test: '^0.12.0'