Linter `0.1.20`.

* New `cancel_subscriptions` lint.

R=alexeidiaz@google.com

Review URL: https://codereview.chromium.org//2066683002 .
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3953119..fab69ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.1.20
+
+* New `cancel_subscriptions` lint.
+
 # 0.1.19
 
 * New `close_sinks` lint.
diff --git a/pubspec.yaml b/pubspec.yaml
index 83c9c0b..3f5e756 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: linter
-version: 0.1.19
+version: 0.1.20
 author: Dart Team <misc@dartlang.org>
 description: Style linter for Dart.
 homepage: https://github.com/dart-lang/linter