diff --git a/CHANGELOG.md b/CHANGELOG.md
index f226b96..f7110c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v0.3.3 (2016-10-23)
+
+* Updated play-json to v2.5.9
+
 ## v0.3.2 (2016-05-01)
 
 * Updated to sangria-marshalling-api v0.2.1
diff --git a/README.md b/README.md
index 734ab28..9835b94 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 SBT Configuration:
 
 ```scala
-libraryDependencies += "org.sangria-graphql" %% "sangria-play-json" % "0.3.2"
+libraryDependencies += "org.sangria-graphql" %% "sangria-play-json" % "0.3.3"
 ```
 
 ## Compatibility matrix
@@ -18,6 +18,7 @@ libraryDependencies += "org.sangria-graphql" %% "sangria-play-json" % "0.3.2"
 |0.3.0             | 2.5.0    | 0.2.0                 |
 |0.3.1             | 2.5.1    | 0.2.0                 |
 |0.3.2             | 2.5.3    | 0.2.1                 |
+|0.3.3             | 2.5.9    | 0.2.1                 |
 
 
 ## License
diff --git a/build.sbt b/build.sbt
index e75087e..330aff8 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 name := "sangria-play-json"
 organization := "org.sangria-graphql"
-version := "0.3.3-SNAPSHOT"
+version := "0.3.3"
 
 description := "Sangria play-json marshalling"
 homepage := Some(url("http://sangria-graphql.org"))
@@ -11,10 +11,10 @@ scalacOptions ++= Seq("-deprecation", "-feature")
 
 libraryDependencies ++= Seq(
   "org.sangria-graphql" %% "sangria-marshalling-api" % "0.2.1",
-  "com.typesafe.play" %% "play-json" % "2.5.3",
+  "com.typesafe.play" %% "play-json" % "2.5.9",
 
-  "org.sangria-graphql" %% "sangria-marshalling-testkit" % "0.2.1" % "test",
-  "org.scalatest" %% "scalatest" % "2.2.6" % "test"
+  "org.sangria-graphql" %% "sangria-marshalling-testkit" % "0.2.2" % "test",
+  "org.scalatest" %% "scalatest" % "3.0.0" % "test"
 )
 
 git.remoteRepo := "git@github.com:sangria-graphql/sangria-play-json.git"