diff --git a/project/Build.scala b/project/Build.scala
index f74ea9e..9066bfe 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -6,13 +6,13 @@ object ScalaOAuth2Build extends Build {
 
   lazy val _organization = "com.nulab-inc"
   lazy val _version =  "0.18.1-SNAPSHOT"
-  lazy val _playVersion = "2.5.0"
+  lazy val _playVersion = "2.5.6"
   lazy val akkaV = "2.4.7"
   val _scalaVersion = "2.11.8"
   val _crossScalaVersions = Seq("2.11.8")
 
   val commonDependenciesInTestScope = Seq(
-    "org.scalatest" %% "scalatest" % "2.2.4" % "test",
+    "org.scalatest" %% "scalatest" % "3.0.0" % "test",
     "ch.qos.logback" % "logback-classic" % "1.1.7" % "test"
   )
 
diff --git a/project/build.properties b/project/build.properties
index 43b8278..35c88ba 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.11
+sbt.version=0.13.12