diff --git a/build.sbt b/build.sbt
index af95568c..bca24d5b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -69,4 +69,4 @@ scalacOptions += "-P:continuations:enable"
 parallelExecution in Test := false
 
 // code coverage
-scoverage.ScoverageSbtPlugin.ScoverageKeys.coverageHighlighting := false
\ No newline at end of file
+scoverage.ScoverageKeys.coverageHighlighting := false
diff --git a/project/build.properties b/project/build.properties
index 1568f1b4..8cfb6e0e 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1,2 +1,2 @@
 #Project properties
-sbt.version=0.13.15
+sbt.version=1.1.1
diff --git a/project/plugin.sbt b/project/plugin.sbt
index 37d3f73c..27cbdc25 100644
--- a/project/plugin.sbt
+++ b/project/plugin.sbt
@@ -2,14 +2,14 @@ resolvers += Classpaths.sbtPluginReleases
 
 // test coverage
 
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.0.1")
+addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.5.1")
 
-addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.0.0.BETA1")
+addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.2.7")
 
 // release process
 
-addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.0")
+addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.10")
 
-addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.0")
+addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.1")
 
-addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "0.5.0")
\ No newline at end of file
+addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "2.3")