diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c398b6..2b05ddc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,9 @@
-## 1.12.1
-
-* Fix bug in `equalsIgnoreAsciiCase`.
-
 ## 1.12.0
 
 * Add `CaseInsensitiveEquality`.
 
+* Fix bug in `equalsIgnoreAsciiCase`.
+
 ## 1.11.0
 
 * Add `EqualityMap` and `EqualitySet` classes which use `Equality` objects for
diff --git a/pubspec.yaml b/pubspec.yaml
index 36e3054..ad3f111 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: collection
-version: 1.12.1
+version: 1.12.0
 author: Dart Team <misc@dartlang.org>
 description: Collections and utilities functions and classes related to collections.
 homepage: https://www.github.com/dart-lang/collection