diff --git a/project/meta.sbt b/project/meta.sbt
index b74ec79..75c29cc 100644
--- a/project/meta.sbt
+++ b/project/meta.sbt
@@ -1,3 +1,2 @@
 // Meta-settings for controlling the compilation of the build script
-
-scalacOptions += "-deprecation"
+scalacOptions in ThisBuild ++= Seq("-unchecked", "-deprecation")
diff --git a/project/plugin-eclipse.sbt b/project/plugin-eclipse.sbt
new file mode 100644
index 0000000..489a8af
--- /dev/null
+++ b/project/plugin-eclipse.sbt
@@ -0,0 +1,2 @@
+addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "5.2.2")
+
diff --git a/project/plugin-pgp.sbt b/project/plugin-pgp.sbt
new file mode 100644
index 0000000..f53dd99
--- /dev/null
+++ b/project/plugin-pgp.sbt
@@ -0,0 +1,2 @@
+addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.0")
+
diff --git a/project/plugin-release.sbt b/project/plugin-release.sbt
new file mode 100644
index 0000000..6252086
--- /dev/null
+++ b/project/plugin-release.sbt
@@ -0,0 +1,2 @@
+addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.6")
+
diff --git a/project/plugin-site.sbt b/project/plugin-site.sbt
new file mode 100644
index 0000000..f3d6102
--- /dev/null
+++ b/project/plugin-site.sbt
@@ -0,0 +1,2 @@
+addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "1.3.1")
+
diff --git a/project/plugin-sonatype.sbt b/project/plugin-sonatype.sbt
new file mode 100644
index 0000000..b0d85e8
--- /dev/null
+++ b/project/plugin-sonatype.sbt
@@ -0,0 +1,2 @@
+addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "2.0")
+
diff --git a/project/plugins.sbt b/project/plugins.sbt
deleted file mode 100644
index f772a7f..0000000
--- a/project/plugins.sbt
+++ /dev/null
@@ -1,10 +0,0 @@
-addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "4.0.0")
-
-addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "1.0.0")
-
-addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.0")
-
-addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "1.1")
-
-addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.3")
-