diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 0d0fc3d37b..4179ca1f98 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -7,6 +7,9 @@ Note that ``PHAB_ID=#`` and ``RB_ID=#`` correspond to associated messages in com
 Unreleased
 ----------
 
+18.9.1
+-------
+
 Breaking API Changes
 ~~~~~~~~~~~~~~~~~~~~
 
diff --git a/README.md b/README.md
index a258287748..8564a7c1a1 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Twitter Util
 
-[![Build status](https://travis-ci.org/twitter/util.svg?branch=develop)](https://travis-ci.org/twitter/util)
+[![Build status](https://travis-ci.org/twitter/util.svg?branch=master)](https://travis-ci.org/twitter/util)
 [![Codecov](https://codecov.io/gh/twitter/util/branch/develop/graph/badge.svg)](https://codecov.io/gh/twitter/util)
 [![Project status](https://img.shields.io/badge/status-active-brightgreen.svg)](#status)
 [![Gitter](https://badges.gitter.im/twitter/finagle.svg)](https://gitter.im/twitter/finagle?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
@@ -35,7 +35,7 @@ for more details about how to contribute.
 An example SBT dependency string for the `util-collection` tools would look like this:
 
 ```scala
-val collUtils = "com.twitter" %% "util-collection" % "18.9.0"
+val collUtils = "com.twitter" %% "util-collection" % "18.9.1"
 ```
 
 # Units
diff --git a/build.sbt b/build.sbt
index 12cec026d2..d7765147b2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,7 @@
 import scoverage.ScoverageKeys
 
 // All Twitter library releases are date versioned as YY.MM.patch
-val releaseVersion = "18.10.0-SNAPSHOT"
+val releaseVersion = "18.9.1"
 
 val zkVersion = "3.5.0-alpha"
 val zkClientVersion = "0.0.81"