diff --git a/CHANGES b/CHANGES
index 498a4be3b3..00f7d11cd8 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,8 @@ Note that ``RB_ID=#`` correspond to associated messages in commits.
 
 Next Version
 
+6.43.0  2017-04-20
+
 Runtime Behavior Changes:
 
   * util-core: `Closable.all(..)` will now catch synchronous exceptions thrown
diff --git a/README.md b/README.md
index 34708a55f3..e97107ba36 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ 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" % "6.42.0"
+val collUtils = "com.twitter" %% "util-collection" % "6.43.0"
 ```
 
 # Units
diff --git a/project/Build.scala b/project/Build.scala
index 4df1872dbe..8b285ac6d3 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -11,7 +11,7 @@ object Util extends Build {
   val branch = Process("git" :: "rev-parse" :: "--abbrev-ref" :: "HEAD" :: Nil).!!.trim
   val suffix = if (branch == "master") "" else "-SNAPSHOT"
 
-  val libVersion = "6.42.0" + suffix
+  val libVersion = "6.43.0" + suffix
   val zkVersion = "3.5.0-alpha"
   val zkClientVersion = "0.0.81"
   val zkGroupVersion = "0.0.92"