diff --git a/.travis.yml b/.travis.yml
index 6f7e667c2..eca3b1567 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ language: scala
 
 env:
   global:
-    - TRAVIS_JDK=adopt@1.8.192-12
+    - TRAVIS_JDK=adopt@1.11.0-1
     # WHITESOURCE_PASSWORD=
     - secure: d3bu2KNwsVHwfhbGgO+gmRfDKBJhfICdCJFGWKf2w3Gv86AJZX9nuTYRxz0KtdvEHO5Xw8WTBZLPb2thSJqhw9OCm4J8TBAVqCP0ruUj4+aqBUFy4bVexQ6WKE6nWHs4JPzPk8c6uC1LG3hMuzlC8RGETXtL/n81Ef1u7NjyXjs=
   matrix:
@@ -33,6 +33,15 @@ matrix:
         - SBT_CMD="scripted java/*"
       install:
         - /home/travis/.jabba/bin/jabba install openjdk@1.10
+    - env:
+        - TRAVIS_JDK=adopt@1.8.192-12
+        - SBT_CMD="scripted actions/*"
+    - env:
+        - TRAVIS_JDK=adopt@1.8.192-12
+        - SBT_CMD="scripted source-dependencies/*1of3"
+    - env:
+        - TRAVIS_JDK=adopt@1.8.192-12
+        - SBT_CMD="scripted dependency-management/*1of4"
 
 before_install:
   - curl -sL https://raw.githubusercontent.com/shyiko/jabba/0.11.0/install.sh | bash && . ~/.jabba/jabba.sh
diff --git a/project/plugins.sbt b/project/plugins.sbt
index fda55cf6e..c323f502c 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -7,4 +7,4 @@ addSbtPlugin("org.scala-sbt"     % "sbt-contraband"  % "0.4.1")
 addSbtPlugin("de.heikoseeberger" % "sbt-header"      % "3.0.2")
 addSbtPlugin("com.eed3si9n"      % "sbt-buildinfo"   % "0.8.0")
 addSbtPlugin("com.lightbend"     % "sbt-whitesource" % "0.1.9")
-addSbtPlugin("com.eed3si9n"      % "sbt-assembly"    % "0.14.8")
+addSbtPlugin("com.eed3si9n"      % "sbt-assembly"    % "0.14.9")
diff --git a/sbt/src/sbt-test/actions/cross-multiproject/build.sbt b/sbt/src/sbt-test/actions/cross-multiproject/build.sbt
index d0eff709c..c39cdf83a 100644
--- a/sbt/src/sbt-test/actions/cross-multiproject/build.sbt
+++ b/sbt/src/sbt-test/actions/cross-multiproject/build.sbt
@@ -1,31 +1,29 @@
-inThisBuild(List(
-  crossScalaVersions := Seq("2.12.1", "2.11.8")
-))
+lazy val scala212 = "2.12.8"
+lazy val scala213 = "2.13.0-M5"
+
+ThisBuild / crossScalaVersions := Seq(scala212, scala213)
+ThisBuild / scalaVersion       := scala212
 
 lazy val rootProj = (project in file("."))
   .aggregate(libProj, fooPlugin)
   .settings(
-    scalaVersion := "2.12.1"
+    crossScalaVersions := Nil,
+    addCommandAlias("build", "compile")
   )
 
 lazy val libProj = (project in file("lib"))
   .settings(
-    name := "foo-lib",
-    scalaVersion := "2.12.1",
-    crossScalaVersions := Seq("2.12.1", "2.11.8")
+    name := "foo-lib"
   )
 
 lazy val fooPlugin = (project in file("sbt-foo"))
+  .enablePlugins(SbtPlugin)
   .settings(
     name := "sbt-foo",
-    sbtPlugin := true,
-    scalaVersion := "2.12.1",
-    crossScalaVersions := Seq("2.12.1")
+    crossScalaVersions := Seq(scala212)
   )
 
 lazy val extrasProj = (project in file("extras"))
   .settings(
     name := "foo-extras",
   )
-
-addCommandAlias("build", "compile")
diff --git a/sbt/src/sbt-test/actions/cross-multiproject/test b/sbt/src/sbt-test/actions/cross-multiproject/test
index 5458dcaf6..ba4263197 100644
--- a/sbt/src/sbt-test/actions/cross-multiproject/test
+++ b/sbt/src/sbt-test/actions/cross-multiproject/test
@@ -1,55 +1,43 @@
 > + compile
-
 $ exists lib/target/scala-2.12
-$ exists lib/target/scala-2.11
+$ exists lib/target/scala-2.13.0-M5
 $ exists sbt-foo/target/scala-2.12
--$ exists sbt-foo/target/scala-2.11
+-$ exists sbt-foo/target/scala-2.13.0-M5
 
 > clean
 > + libProj/compile
-
 $ exists lib/target/scala-2.12
-$ exists lib/target/scala-2.11
+$ exists lib/target/scala-2.13.0-M5
 -$ exists sbt-foo/target/scala-2.12
--$ exists sbt-foo/target/scala-2.11
+-$ exists sbt-foo/target/scala-2.13.0-M5
 
+# test safe switching
 > clean
-> ++ 2.12.1 compile
-
+> ++ 2.12.8 -v compile
 $ exists lib/target/scala-2.12
--$ exists lib/target/scala-2.11
+-$ exists lib/target/scala-2.13.0-M5
 $ exists sbt-foo/target/scala-2.12
--$ exists sbt-foo/target/scala-2.11
+-$ exists sbt-foo/target/scala-2.13.0-M5
 
+# Test legacy cross build with command support
+# > clean
+# > + build
+# $ exists lib/target/scala-2.12
+# $ exists lib/target/scala-2.13.0-M5
+# $ exists sbt-foo/target/scala-2.12
+# -$ exists sbt-foo/target/scala-2.13.0-M5
+
+# Test ++ leaves crossScalaVersions unchanged
 > clean
-> ++ 2.11.8 -v compile
+> ++2.12.8
+> +extrasProj/compile
+$ exists extras/target/scala-2.13.0-M5
+$ exists extras/target/scala-2.12
 
-$ exists lib/target/scala-2.11
+# test safe switching
+> clean
+> ++ 2.13.0-M5 -v compile
+$ exists lib/target/scala-2.13.0-M5
 -$ exists lib/target/scala-2.12
 # -$ exists sbt-foo/target/scala-2.12
--$ exists sbt-foo/target/scala-2.11
-
-# > clean
-# > ++ 2.11.8! compile
-
-# $ exists lib/target/scala-2.11
-# -$ exists lib/target/scala-2.12
-# -$ exists sbt-foo/target/scala-2.12
-# $ exists sbt-foo/target/scala-2.11
-
-> clean
-# Test legacy cross build with command support
-> + build
-
-# Uses the root project scala version config, which is only configured to build for Scala 2.12
-$ exists lib/target/scala-2.12
--$ exists lib/target/scala-2.11
-$ exists sbt-foo/target/scala-2.12
--$ exists sbt-foo/target/scala-2.11
-
-> clean
-# Test ++ leaves crossScalaVersions unchanged
-> ++2.12.1
-> +extrasProj/compile
-$ exists extras/target/scala-2.11
-$ exists extras/target/scala-2.12
+-$ exists sbt-foo/target/scala-2.13.0-M5
diff --git a/sbt/src/sbt-test/actions/cross-strict-aggregation/build.sbt b/sbt/src/sbt-test/actions/cross-strict-aggregation/build.sbt
index 6c9759d4b..98a883e0b 100644
--- a/sbt/src/sbt-test/actions/cross-strict-aggregation/build.sbt
+++ b/sbt/src/sbt-test/actions/cross-strict-aggregation/build.sbt
@@ -1,13 +1,20 @@
+lazy val scala212 = "2.12.8"
+lazy val scala213 = "2.13.0-M5"
+
+ThisBuild / scalaVersion := scala212
+
 lazy val root = (project in file("."))
   .aggregate(core, module)
+  .settings(
+    crossScalaVersions := Nil
+  )
 
 lazy val core = (project in file("core"))
   .settings(
-    scalaVersion := "2.12.4",
-    crossScalaVersions := Seq("2.11.11", "2.12.4"))
+    crossScalaVersions := Seq(scala212, scala213))
 
 lazy val module = (project in file("module"))
   .dependsOn(core)
   .settings(
-    scalaVersion := "2.12.4",
-    crossScalaVersions := Seq("2.12.4"))
+    crossScalaVersions := Seq(scala212)
+  )
diff --git a/sbt/src/sbt-test/actions/cross-strict-aggregation/test b/sbt/src/sbt-test/actions/cross-strict-aggregation/test
index 2e9408232..d7bfc8b65 100644
--- a/sbt/src/sbt-test/actions/cross-strict-aggregation/test
+++ b/sbt/src/sbt-test/actions/cross-strict-aggregation/test
@@ -1,7 +1,7 @@
 -> ++2.12.0-magic
 
-> ++2.11.11 compile
+> ++2.13.0-M5 compile
 
-$ exists core/target/scala-2.11
--$ exists module/target/scala-2.11
+$ exists core/target/scala-2.13.0-M5
+-$ exists module/target/scala-2.13.0-M5
 -$ exists module/target/scala-2.12
diff --git a/sbt/src/sbt-test/actions/doc-file-options/build.sbt b/sbt/src/sbt-test/actions/doc-file-options/build.sbt
index be9255579..2c56831c1 100644
--- a/sbt/src/sbt-test/actions/doc-file-options/build.sbt
+++ b/sbt/src/sbt-test/actions/doc-file-options/build.sbt
@@ -2,15 +2,16 @@ val newContents = "bbbbbbbbb"
 
 val rootContentFile = "root.txt"
 
-scalaVersion := "2.10.2"
+ThisBuild / scalaVersion := "2.12.8"
 
-scalacOptions in (Compile, doc) := Seq("-doc-root-content", rootContentFile)
-
-TaskKey[Unit]("changeRootContent") := {
-	IO.write(file(rootContentFile), newContents)
-}
-
-TaskKey[Unit]("check") := {
-	val packageHtml = (target in Compile in doc).value / "package.html"
-	assert(IO.read(packageHtml).contains(newContents), s"does not contains ${newContents} in ${packageHtml}" )
-}
+lazy val root = (project in file("."))
+  .settings(
+    Compile / doc / scalacOptions := Seq("-doc-root-content", rootContentFile),
+    TaskKey[Unit]("changeRootContent") := {
+      IO.write(file(rootContentFile), newContents)
+    },
+    TaskKey[Unit]("check") := {
+      val packageHtml = (Compile / doc / target).value / "index.html"
+      assert(IO.read(packageHtml).contains(newContents), s"does not contains ${newContents} in ${packageHtml}" )
+    }
+  )
diff --git a/sbt/src/sbt-test/actions/doc/build.sbt b/sbt/src/sbt-test/actions/doc/build.sbt
new file mode 100644
index 000000000..5fa581aa3
--- /dev/null
+++ b/sbt/src/sbt-test/actions/doc/build.sbt
@@ -0,0 +1,5 @@
+lazy val root = (project in file("."))
+  .settings(
+    crossPaths := false,
+    Compile / doc / scalacOptions += "-Xfatal-warnings"
+  )
diff --git a/sbt/src/sbt-test/actions/doc/test b/sbt/src/sbt-test/actions/doc/test
index dd5ba0ed9..23839647f 100644
--- a/sbt/src/sbt-test/actions/doc/test
+++ b/sbt/src/sbt-test/actions/doc/test
@@ -1,7 +1,3 @@
-> 'set crossPaths := false'
-
-> 'set scalacOptions in (Compile, doc) += "-Xfatal-warnings"'
-
 -> doc
 
 > 'set sources in (Compile, doc) := { val src = (sources in Compile).value; src.filterNot(_.getName contains "B") }'
@@ -29,9 +25,9 @@ $ absent "target/api/java"
 > ; clean ; doc
 
 # pure java project, only javadoc at top level
-$ exists "target/api/package-list"
+$ exists "target/api/index.html"
 $ absent "target/api/index.js"
 
-# pending 
+# pending
 # $ absent "target/api/scala"
-#$ absent "target/api/java"
+# $ absent "target/api/java"
diff --git a/sbt/src/sbt-test/actions/generator/build.sbt b/sbt/src/sbt-test/actions/generator/build.sbt
index 04b2a1b48..5672ed807 100644
--- a/sbt/src/sbt-test/actions/generator/build.sbt
+++ b/sbt/src/sbt-test/actions/generator/build.sbt
@@ -1,11 +1,14 @@
-scalaVersion := "2.11.8"
-
 val buildInfo = taskKey[Seq[File]]("generates the build info")
-buildInfo := {
-  val file = sourceManaged.value / "BuildInfo.scala"
-  IO.write(file, "object BuildInfo")
-  file :: Nil
-}
 
-sourceGenerators in Compile += buildInfo
-sourceGenerators in Compile += Def.task { Nil }
+ThisBuild / scalaVersion := "2.12.8"
+
+lazy val root = (project in file("."))
+  .settings(
+    buildInfo := {
+      val file = sourceManaged.value / "BuildInfo.scala"
+      IO.write(file, "object BuildInfo")
+      file :: Nil
+    },
+    sourceGenerators in Compile += buildInfo,
+    sourceGenerators in Compile += Def.task { Nil }
+  )
diff --git a/sbt/src/sbt-test/actions/generator/test b/sbt/src/sbt-test/actions/generator/test
index 385612f46..b7ff4b2e4 100644
--- a/sbt/src/sbt-test/actions/generator/test
+++ b/sbt/src/sbt-test/actions/generator/test
@@ -1,2 +1,2 @@
 > compile
-$ exists target/scala-2.11/src_managed/BuildInfo.scala
+$ exists target/scala-2.12/src_managed/BuildInfo.scala
diff --git a/sbt/src/sbt-test/apiinfo/basic/build.sbt b/sbt/src/sbt-test/apiinfo/basic/build.sbt
deleted file mode 100644
index cc6aa3d78..000000000
--- a/sbt/src/sbt-test/apiinfo/basic/build.sbt
+++ /dev/null
@@ -1,4 +0,0 @@
-lazy val root = (project in file(".")).
-  settings(
-    scalaVersion := "2.10.6"
-  )
diff --git a/sbt/src/sbt-test/apiinfo/basic/src/main/scala/testCase/FooUser.scala b/sbt/src/sbt-test/apiinfo/basic/src/main/scala/testCase/FooUser.scala
deleted file mode 100644
index e2702a0e3..000000000
--- a/sbt/src/sbt-test/apiinfo/basic/src/main/scala/testCase/FooUser.scala
+++ /dev/null
@@ -1,3 +0,0 @@
-package testCase
-
-case class FooUser(@Foo a: Int)
diff --git a/sbt/src/sbt-test/apiinfo/basic/src/main/scala/testCase/JFoo.java b/sbt/src/sbt-test/apiinfo/basic/src/main/scala/testCase/JFoo.java
deleted file mode 100644
index e849d8df7..000000000
--- a/sbt/src/sbt-test/apiinfo/basic/src/main/scala/testCase/JFoo.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package testCase;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-
-
-@Retention(RetentionPolicy.RUNTIME)
-public @interface JFoo {
-
-}
diff --git a/sbt/src/sbt-test/apiinfo/basic/src/main/scala/testCase/annotations.scala b/sbt/src/sbt-test/apiinfo/basic/src/main/scala/testCase/annotations.scala
deleted file mode 100644
index c74c28494..000000000
--- a/sbt/src/sbt-test/apiinfo/basic/src/main/scala/testCase/annotations.scala
+++ /dev/null
@@ -1,7 +0,0 @@
-
-import annotation.target.field
-
-
-package object testCase {
-	type Foo = JFoo @field;
-}
diff --git a/sbt/src/sbt-test/apiinfo/basic/test b/sbt/src/sbt-test/apiinfo/basic/test
deleted file mode 100644
index 5df2af1f3..000000000
--- a/sbt/src/sbt-test/apiinfo/basic/test
+++ /dev/null
@@ -1 +0,0 @@
-> compile
diff --git a/sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/build.sbt b/sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/build.sbt
index 099cd9f71..124a017c3 100644
--- a/sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/build.sbt
+++ b/sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/build.sbt
@@ -1,16 +1,15 @@
-// hardcode dottyVersion to make test deterministic
-lazy val dottyVersion = "0.8.0-bin-20180424-e77604d-NIGHTLY"
+lazy val dottyVersion = "0.11.0-RC1"
+
+ThisBuild / scalaVersion := dottyVersion
+ThisBuild / organization := "com.example"
 
 lazy val plugin = (project in file("plugin"))
   .settings(
     name := "dividezero",
-    version := "0.0.1",
-    organization := "ch.epfl.lamp",
-    scalaVersion := dottyVersion,
+    version := "0.0.1"
   )
 
 lazy val app = (project in file("."))
   .settings(
-    scalaVersion := dottyVersion,
-    libraryDependencies += compilerPlugin("ch.epfl.lamp" %% "dividezero" % "0.0.1"),
+    libraryDependencies += compilerPlugin("com.example" %% "dividezero" % "0.0.1"),
   )
diff --git a/sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/test b/sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/pending
similarity index 100%
rename from sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/test
rename to sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/pending
diff --git a/sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/project/plugins.sbt b/sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/project/plugins.sbt
index ba89aa2bb..174dbbcb8 100644
--- a/sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/project/plugins.sbt
+++ b/sbt/src/sbt-test/compiler-project/dotty-compiler-plugin/project/plugins.sbt
@@ -1 +1 @@
-addSbtPlugin("ch.epfl.lamp" % "sbt-dotty" % "0.2.0")
+addSbtPlugin("ch.epfl.lamp" % "sbt-dotty" % "0.2.6")
diff --git a/sbt/src/sbt-test/compiler-project/error-in-invalidated/build.sbt b/sbt/src/sbt-test/compiler-project/error-in-invalidated/build.sbt
index d2c47e0c4..f49a6898e 100644
--- a/sbt/src/sbt-test/compiler-project/error-in-invalidated/build.sbt
+++ b/sbt/src/sbt-test/compiler-project/error-in-invalidated/build.sbt
@@ -1,5 +1,6 @@
+ThisBuild / scalaVersion := "2.12.8"
+
 lazy val root = (project in file(".")).
   settings(
-    incOptions := xsbti.compile.IncOptions.of(),
-    scalaVersion := "2.11.7"
+    incOptions := xsbti.compile.IncOptions.of()
   )
diff --git a/sbt/src/sbt-test/compiler-project/separate-analysis-per-scala/build.sbt b/sbt/src/sbt-test/compiler-project/separate-analysis-per-scala/build.sbt
index d1a4804b7..908667853 100644
--- a/sbt/src/sbt-test/compiler-project/separate-analysis-per-scala/build.sbt
+++ b/sbt/src/sbt-test/compiler-project/separate-analysis-per-scala/build.sbt
@@ -1,12 +1,15 @@
-name := "foo"
+lazy val scala212 = "2.12.8"
+lazy val scala213 = "2.13.0-M5"
+ThisBuild / scalaVersion := scala212
 
-scalaVersion := "2.10.6"
-
-crossScalaVersions := List("2.10.6", "2.11.8")
-
-incOptions := incOptions.value.withClassfileManagerType(
-  Option(xsbti.compile.TransactionalManagerType.of(
-    crossTarget.value / "classes.bak",
-    (streams in (Compile, compile)).value.log
-  ): xsbti.compile.ClassFileManagerType).asJava
-)
+lazy val root = (project in file("."))
+  .settings(
+    name := "foo",
+    crossScalaVersions := List(scala212, scala213),
+    incOptions := incOptions.value.withClassfileManagerType(
+      Option(xsbti.compile.TransactionalManagerType.of(
+        crossTarget.value / "classes.bak",
+        (streams in (Compile, compile)).value.log
+      ): xsbti.compile.ClassFileManagerType).asJava
+    )
+  )
diff --git a/sbt/src/sbt-test/compiler-project/separate-analysis-per-scala/test b/sbt/src/sbt-test/compiler-project/separate-analysis-per-scala/test
index e76fa4b5c..10391d966 100644
--- a/sbt/src/sbt-test/compiler-project/separate-analysis-per-scala/test
+++ b/sbt/src/sbt-test/compiler-project/separate-analysis-per-scala/test
@@ -1,3 +1,3 @@
 > + compile
-$ exists target/scala-2.10
-$ exists target/scala-2.11
+$ exists target/scala-2.12
+$ exists target/scala-2.13.0-M5
diff --git a/sbt/src/sbt-test/dependency-management/cache-classifiers/multi.sbt b/sbt/src/sbt-test/dependency-management/cache-classifiers/multi.sbt
index fa7e3360f..75e55de1d 100644
--- a/sbt/src/sbt-test/dependency-management/cache-classifiers/multi.sbt
+++ b/sbt/src/sbt-test/dependency-management/cache-classifiers/multi.sbt
@@ -1,10 +1,11 @@
+ThisBuild / scalaVersion := "2.12.8"
+
 def localCache =
 	ivyPaths := IvyPaths(baseDirectory.value, Some((baseDirectory in ThisBuild).value / "ivy" / "cache"))
 
 val b = project
   .settings(
     localCache,
-    scalaVersion := "2.11.8",
     libraryDependencies += "org.example" %% "artifacta" % "1.0.0-SNAPSHOT" withSources() classifier("tests"),
     externalResolvers := Vector(
       MavenCache("demo", ((baseDirectory in ThisBuild).value / "demo-repo")),
@@ -15,7 +16,6 @@ val b = project
 val a = project
   .settings(
     localCache,
-    scalaVersion := "2.11.8",
     organization := "org.example",
     name := "artifacta",
     version := "1.0.0-SNAPSHOT",
diff --git a/sbt/src/sbt-test/dependency-management/snapshot-resolution/build.sbt b/sbt/src/sbt-test/dependency-management/snapshot-resolution/build.sbt
index 31db52a0f..b7d912223 100644
--- a/sbt/src/sbt-test/dependency-management/snapshot-resolution/build.sbt
+++ b/sbt/src/sbt-test/dependency-management/snapshot-resolution/build.sbt
@@ -1,3 +1,6 @@
+ThisBuild / organization := "com.example"
+ThisBuild / scalaVersion := "2.12.8"
+
 def customIvyPaths: Seq[Def.Setting[_]] = Seq(
   ivyPaths := IvyPaths((baseDirectory in ThisBuild).value, Some((baseDirectory in ThisBuild).value / "ivy-cache"))
 )
@@ -9,10 +12,9 @@ lazy val sharedResolver: Resolver = {
   //Resolver.file("example-shared-repo", repoDir)(Resolver.defaultPatterns)
 }
 
-lazy val common = project.
-  settings(customIvyPaths: _*).
-  settings(
-    scalaVersion := "2.11.8",
+lazy val common = project
+  .settings(customIvyPaths)
+  .settings(
     organization := "com.badexample",
     name := "badexample",
     version := "1.0-SNAPSHOT",
@@ -27,10 +29,9 @@ lazy val common = project.
     // updateOptions := updateOptions.value.withLatestSnapshots(true)
   )
 
-lazy val dependent = project.
-  settings(customIvyPaths: _*).
-  settings(
-    scalaVersion := "2.11.8",
+lazy val dependent = project
+  .settings(customIvyPaths)
+  .settings(
     // Uncomment the following to test the before/after
     // updateOptions := updateOptions.value.withLatestSnapshots(false),
     // Ignore the inter-project resolver, so we force to look remotely.
diff --git a/sbt/src/sbt-test/project/aggregate/projA/build.sbt b/sbt/src/sbt-test/project/aggregate/projA/build.sbt
index 88a866ee1..e7bb6bff5 100644
--- a/sbt/src/sbt-test/project/aggregate/projA/build.sbt
+++ b/sbt/src/sbt-test/project/aggregate/projA/build.sbt
@@ -1,3 +1,3 @@
 name := "projA"
 
-scalaVersion := "2.11.8"
+scalaVersion := "2.12.8"
diff --git a/sbt/src/sbt-test/project/aggregate/test b/sbt/src/sbt-test/project/aggregate/test
index 1cb4f2bba..e7243130f 100644
--- a/sbt/src/sbt-test/project/aggregate/test
+++ b/sbt/src/sbt-test/project/aggregate/test
@@ -1,2 +1,2 @@
 > compile
-$ exists projA/target/scala-2.11/classes/A.class
+$ exists projA/target/scala-2.12/classes/A.class
diff --git a/sbt/src/sbt-test/project/flatten/build.sbt b/sbt/src/sbt-test/project/flatten/build.sbt
index bbe93fbcc..bab2c5efd 100644
--- a/sbt/src/sbt-test/project/flatten/build.sbt
+++ b/sbt/src/sbt-test/project/flatten/build.sbt
@@ -1,26 +1,23 @@
-lazy val root = (project in file(".")).
-  settings(
+val unpackage = TaskKey[Unit]("unpackage")
+
+ThisBuild / scalaVersion := "2.12.8"
+
+lazy val root = (project in file("."))
+  .settings(
     forConfig(Compile, "src"),
     forConfig(Test, "test-src"),
-    baseSettings
+    libraryDependencies += "org.scalacheck" %% "scalacheck" % "1.14.0" % Test,
+    unmanagedSources / includeFilter := "*.java" | "*.scala"
   )
 
-def baseSettings = Seq(
-  scalaVersion := "2.11.8",
-  libraryDependencies += "org.scalacheck" %% "scalacheck" % "1.11.4" % Test,
-  includeFilter in unmanagedSources := "*.java" | "*.scala"
-)
-
 def forConfig(conf: Configuration, name: String) = Project.inConfig(conf)( unpackageSettings(name) )
 
 def unpackageSettings(name: String) = Seq(
   unmanagedSourceDirectories := (baseDirectory.value / name) :: Nil,
-  excludeFilter in unmanagedResources := (includeFilter in unmanagedSources).value,
+  unmanagedResources / excludeFilter := (unmanagedSources / includeFilter).value,
   unmanagedResourceDirectories := unmanagedSourceDirectories.value,
   unpackage := {
-    IO.unzip(artifactPath in packageSrc value, baseDirectory.value / name)
+    IO.unzip((packageSrc / artifactPath).value, baseDirectory.value / name)
     IO.delete(baseDirectory.value / name / "META-INF")
   }
 )
-
-val unpackage = TaskKey[Unit]("unpackage")
diff --git a/sbt/src/sbt-test/project/internal-tracking/build.sbt b/sbt/src/sbt-test/project/internal-tracking/build.sbt
index ca1ba256c..8374bcaef 100644
--- a/sbt/src/sbt-test/project/internal-tracking/build.sbt
+++ b/sbt/src/sbt-test/project/internal-tracking/build.sbt
@@ -1,25 +1,21 @@
-lazy val root = (project in file(".")).
-  aggregate(a, b, c, d).
-  settings(
-    inThisBuild(Seq(
-      scalaVersion := "2.11.7",
-      trackInternalDependencies := TrackLevel.NoTracking
-    ))
-  )
+ThisBuild / scalaVersion := "2.12.8"
+ThisBuild / trackInternalDependencies := TrackLevel.NoTracking
+
+lazy val root = (project in file("."))
+  .aggregate(a, b, c, d)
 
 lazy val a = (project in file("a"))
 
-lazy val b = (project in file("b")).
-  dependsOn(a)
+lazy val b = (project in file("b"))
+  .dependsOn(a)
 
-lazy val c = (project in file("c")).
-  settings(
+lazy val c = (project in file("c"))
+  .settings(
     exportToInternal := TrackLevel.NoTracking
   )
 
-lazy val d = (project in file("d")).
-  dependsOn(c).
-  settings(
+lazy val d = (project in file("d"))
+  .dependsOn(c)
+  .settings(
     trackInternalDependencies := TrackLevel.TrackIfMissing
   )
-