diff --git a/CHANGELOG.md b/CHANGELOG.md
index 247b659a..a8b59d99 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 1.0 beta 989 (2018-10-16)
+
+### Fixed
+
+- Alert unsupported configuration options.
+- Use accent color for checkmarks in table cells.
+
 ## 1.0 beta 975 (2018-10-11)
 
 First public beta release.
diff --git a/ci/build-number.sh b/ci/build-number.sh
new file mode 100755
index 00000000..ed7a8937
--- /dev/null
+++ b/ci/build-number.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+BASE=`agvtool what-version -terse`
+COUNT=`git rev-list --count master`
+echo $((BASE + COUNT))