diff --git a/build.sbt b/build.sbt
index d90d2d0b4..7b5d143f6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -17,7 +17,7 @@ def commonSettings: Seq[Setting[_]] = Def.settings(
   // concurrentRestrictions in Global += Util.testExclusiveRestriction,
   testOptions += Tests.Argument(TestFrameworks.ScalaCheck, "-w", "1"),
   javacOptions in compile ++= Seq("-Xlint", "-Xlint:-serial"),
-  crossScalaVersions := Seq(scala211, scala212),
+  crossScalaVersions := Seq(scala212),
   resolvers += Resolver.sonatypeRepo("public"),
   scalacOptions := {
     val old = scalacOptions.value
@@ -265,7 +265,6 @@ lazy val lmCoursier = (project in file("coursier"))
   .dependsOn(lmIvy)
   .settings(
     commonSettings,
-    crossScalaVersions := Seq(scala212, scala211),
     name := "librarymanagement-coursier",
     libraryDependencies ++= Seq(coursier,
       coursierCache,
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index bc9a8f31c..84e72a4ad 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -3,12 +3,10 @@ import Keys._
 import sbt.contraband.ContrabandPlugin.autoImport._
 
 object Dependencies {
-  val scala211 = "2.11.12"
   val scala212 = "2.12.7"
 
-  private val ioVersion = "1.2.1"
-  private val utilVersion = "1.2.2"
-
+  private val ioVersion = "1.3.0-M4"
+  private val utilVersion = "1.3.0-M2"
   private val coursierVersion = "1.1.0-M7"
 
   private val sbtIO = "org.scala-sbt" %% "io" % ioVersion
diff --git a/project/build.properties b/project/build.properties
index 0cd8b0798..7c58a83ab 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.2.3
+sbt.version=1.2.6