Update to sbt-rat 0.5.0
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 2701fb5..2b5dba0 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -20,4 +20,4 @@
 addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "1.3.2")
 addSbtPlugin("net.virtual-void" % "sbt-dependency-graph" % "0.9.0")
 addSbtPlugin("com.typesafe.sbt" % "sbt-osgi" % "0.9.3")
-addSbtPlugin("org.musigma" % "sbt-rat" % "0.2")
+addSbtPlugin("org.musigma" % "sbt-rat" % "0.5.0")