Upgrade dependencies:

scalaz to 7.2.2
scalaz-stream to 0.8a

Test dependency update:
specs2 to 3.7.3

README.md

@@ -14,13 +14,13 @@ resolvers += "RichRelevance Bintray" at "http://dl.bintray.com/rr/releases"
 If you want to be able to use snapshot releases, replace `releases` with `snapshots`.  With the resolver configured, add the following dependency specification:
 
 ```sbt
-libraryDependencies += "org.scalaz.netty" %% "scalaz-netty" % "0.3"
+libraryDependencies += "org.scalaz.netty" %% "scalaz-netty" % "0.3a"
 ```
 
-Builds are published for Scala 2.11.8.  The latest stable release is **0.3**.  The upstream dependencies for this project include the following:
+Builds are published for Scala 2.11.8.  The latest stable release is **0.3a**.  The upstream dependencies for this project include the following:
 
-- scalaz 7.1.7
-- scalaz-stream 0.8.0
+- scalaz 7.2.2
+- scalaz-stream 0.8a
 - scodec-bits 1.0.12
 - netty 4.0.36.Final
 

build.sbt

@@ -28,15 +28,15 @@ scalaVersion := "2.11.8"
 resolvers += "Scalaz Bintray Repo" at "http://dl.bintray.com/scalaz/releases"
 
 libraryDependencies ++= Seq(
-  "org.scalaz"        %% "scalaz-core"   % "7.1.7",
-  "org.scalaz.stream" %% "scalaz-stream" % "0.8",
+  "org.scalaz"        %% "scalaz-core"   % "7.2.2",
+  "org.scalaz.stream" %% "scalaz-stream" % "0.8a",
 
   "io.netty"          %  "netty-codec"   % "4.0.36.Final",
 
   "org.scodec"        %% "scodec-bits"   % "1.0.12")
 
 libraryDependencies ++= Seq(
-  "org.specs2"     %% "specs2-core" % "3.6.6"  % "test",
+  "org.specs2"     %% "specs2-core" % "3.7.3"  % "test",
   "org.scalacheck" %% "scalacheck"  % "1.13.0" % "test")
 
 licenses += ("Apache-2.0", url("http://www.apache.org/licenses/"))