diff --git a/project/plugins.sbt b/project/plugins.sbt
index 3af981297..2997486e7 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,9 +1,9 @@
-addSbtPlugin("org.xerial.sbt" % "sbt-pack" % "0.8.0")
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.13")
+addSbtPlugin("org.xerial.sbt" % "sbt-pack" % "0.8.2")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.14")
 addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.0")
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.4.0")
-addSbtPlugin("org.tpolecat" % "tut-plugin" % "0.4.6")
-addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.0.0-M14")
+addSbtPlugin("org.tpolecat" % "tut-plugin" % "0.4.8")
+addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.0.0-M15-1")
 addSbtPlugin("com.typesafe.sbt" % "sbt-proguard" % "0.2.2")
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.1.11")
 libraryDependencies += "org.scala-sbt" % "scripted-plugin" % sbtVersion.value
diff --git a/project/project/plugins.sbt b/project/project/plugins.sbt
index 2617da214..1994c65c9 100644
--- a/project/project/plugins.sbt
+++ b/project/project/plugins.sbt
@@ -1 +1 @@
-addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.0.0-M14")
+addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.0.0-M15-1")