diff --git a/project/build.properties b/project/build.properties
index 27e88aa11..64317fdae 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.13
+sbt.version=0.13.15
diff --git a/project/plugins.sbt b/project/plugins.sbt
index b4ce954d4..e9838453f 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -8,7 +8,7 @@ resolvers ++= Seq(
 )
 
 // Use the Play sbt plugin for Play projects
-addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.5.14")
+addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.5.15")
 
 addSbtPlugin("com.typesafe.sbt" % "sbt-rjs" % "1.0.7")