Bump version.

R=nweiz@google.com

Review URL: https://codereview.chromium.org//1312623006 .
diff --git a/CHANGELOG.md b/CHANGELOG.md
index caf8af5..59923d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,11 @@
+# 1.1.6
+
+* Optimize `getLine()` in `SourceFile` when repeatedly called.
+
 # 1.1.5
 
 * Fixed another case in which `FileSpan.union` could throw an exception for
   external implementations of `FileSpan`.
-* Optimize `getLine()` in `SourceFile` when repeatedly called.
 
 # 1.1.4
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 2bfbe4e..a084bdf 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: source_span
-version: 1.1.5
+version: 1.1.6
 author: Dart Team <misc@dartlang.org>
 description: A library for identifying source spans and locations.
 homepage: https://github.com/dart-lang/source_span