diff --git a/build.sbt b/build.sbt
index 5309352..d2d5d5d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -10,15 +10,24 @@ licenses := Seq("Apache License, Version 2.0" -> url("http://www.apache.org/lice
 
 scalaVersion := "2.9.2"
 
-crossScalaVersions := Seq("2.9.1", "2.9.2", "2.10.0")
+crossScalaVersions := Seq("2.9.1", "2.9.2", "2.10.4", "2.11.7")
 
 libraryDependencies ++= Seq(
   "org.slf4j"      %  "slf4j-api"       % "1.7.2",
   "ch.qos.logback" %  "logback-classic" % "1.0.0" % "test",
-  "junit"          %  "junit"           % "4.11"  % "test",
-  "org.specs2"     %% "specs2"          % "1.12.3" % "test"
+  "junit"          %  "junit"           % "4.11"  % "test"
 )
 
+libraryDependencies <++= scalaVersion {
+  case x if x.startsWith("2.9.") => Seq(
+    "org.specs2"     %% "specs2"          % "1.12.3" % "test"
+  )
+  case _ => Seq(
+    "org.specs2"     %% "specs2-core"     % "3.6.3"  % "test",
+    "org.specs2"     %% "specs2-junit"    % "3.6.3"  % "test"
+  )
+}
+
 scalacOptions ++= Seq("-optimize", "-unchecked", "-deprecation", "-Xcheckinit", "-encoding", "utf8")
 
 cancelable := true
diff --git a/project/build.properties b/project/build.properties
index 4474a03..748703f 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.12.1
+sbt.version=0.13.7
diff --git a/project/plugins.sbt b/project/plugins.sbt
index e39f18c..1c0b940 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,2 +1,2 @@
-addSbtPlugin("me.lessis" % "ls-sbt" % "0.1.2")
+addSbtPlugin("me.lessis" % "ls-sbt" % "0.1.3")