diff --git a/project/build.properties b/project/build.properties
index c091b86..8b697bb 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.16
+sbt.version=1.1.0
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 8ece803..d7a1e06 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,11 +1,11 @@
 resolvers += Resolver.typesafeRepo("releases")
 
-addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.0")
+addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.0")
 
-addSbtPlugin("org.scalariform" % "sbt-scalariform" % "1.6.0")
+addSbtPlugin("org.scalariform" % "sbt-scalariform" % "1.8.2")
 
-addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.3")
+addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.7")
 
-addSbtPlugin("com.typesafe.sbt" % "sbt-osgi" % "0.9.1")
+addSbtPlugin("com.typesafe.sbt" % "sbt-osgi" % "0.9.2")
 
-addSbtPlugin("com.scalapenos" % "sbt-prompt" % "1.0.0")
+addSbtPlugin("com.scalapenos" % "sbt-prompt" % "1.0.2")
diff --git a/scalariform.sbt b/scalariform.sbt
index d638b03..c3169e5 100644
--- a/scalariform.sbt
+++ b/scalariform.sbt
@@ -1,8 +1,6 @@
 import com.typesafe.sbt.SbtScalariform.ScalariformKeys
 import scalariform.formatter.preferences.{AlignSingleLineCaseStatements, DoubleIndentClassDeclaration}
 
-scalariformSettings
-
 ScalariformKeys.preferences := ScalariformKeys.preferences.value
   .setPreference(AlignSingleLineCaseStatements, true)
   .setPreference(AlignSingleLineCaseStatements.MaxArrowIndent, 100)