diff --git a/build.sbt b/build.sbt
index 07fb3ec..938afb6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -50,7 +50,7 @@ lazy val core = project
     name := "ammonite-spark",
     generatePropertyFile("org/apache/spark/sql/ammonitesparkinternals/ammonite-spark.properties"),
     libraryDependencies ++= Seq(
-      Deps.ammoniteRepl % "provided",
+      Deps.ammoniteReplApi.value % "provided",
       Deps.sparkSql.value % "provided",
       Deps.jettyServer
     )
@@ -65,7 +65,7 @@ lazy val tests = project
     generateDependenciesFile,
     testSettings,
     libraryDependencies ++= Seq(
-      Deps.ammoniteRepl,
+      Deps.ammoniteRepl.value,
       Deps.utest
     )
   )
diff --git a/modules/core/src/main/scala-2.11/ammonite/interp/api/package.scala b/modules/core/src/main/scala-2.11/ammonite/interp/api/package.scala
new file mode 100644
index 0000000..ac0a67a
--- /dev/null
+++ b/modules/core/src/main/scala-2.11/ammonite/interp/api/package.scala
@@ -0,0 +1,7 @@
+package ammonite.interp
+
+package object api {
+
+  type InterpAPI = ammonite.interp.InterpAPI
+
+}
diff --git a/modules/core/src/main/scala-2.11/ammonite/repl/api/package.scala b/modules/core/src/main/scala-2.11/ammonite/repl/api/package.scala
new file mode 100644
index 0000000..57a366b
--- /dev/null
+++ b/modules/core/src/main/scala-2.11/ammonite/repl/api/package.scala
@@ -0,0 +1,10 @@
+package ammonite.repl
+
+package object api {
+
+  type Frame = ammonite.runtime.Frame
+  val Frame = ammonite.runtime.Frame
+
+  type ReplAPI = ammonite.repl.ReplAPI
+
+}
diff --git a/modules/core/src/main/scala-2.11/org/apache/spark/sql/ammonitesparkinternals/Compatibility.scala b/modules/core/src/main/scala-2.11/org/apache/spark/sql/ammonitesparkinternals/Compatibility.scala
new file mode 100644
index 0000000..bfeaf6b
--- /dev/null
+++ b/modules/core/src/main/scala-2.11/org/apache/spark/sql/ammonitesparkinternals/Compatibility.scala
@@ -0,0 +1,12 @@
+package org.apache.spark.sql.ammonitesparkinternals
+
+import ammonite.runtime.SpecialClassLoader
+
+object Compatibility {
+
+  implicit class SpecialLoaderOps(private val cl: SpecialClassLoader) {
+    def inMemoryClasses: Map[String, Array[Byte]] =
+      cl.newFileDict.toMap
+  }
+
+}
diff --git a/modules/core/src/main/scala-2.12/org/apache/spark/sql/ammonitesparkinternals/Compatibility.scala b/modules/core/src/main/scala-2.12/org/apache/spark/sql/ammonitesparkinternals/Compatibility.scala
new file mode 100644
index 0000000..5194456
--- /dev/null
+++ b/modules/core/src/main/scala-2.12/org/apache/spark/sql/ammonitesparkinternals/Compatibility.scala
@@ -0,0 +1,3 @@
+package org.apache.spark.sql.ammonitesparkinternals
+
+object Compatibility
diff --git a/modules/core/src/main/scala/org/apache/spark/sql/AmmoniteSparkSession.scala b/modules/core/src/main/scala/org/apache/spark/sql/AmmoniteSparkSession.scala
index 9801fd8..88ac687 100644
--- a/modules/core/src/main/scala/org/apache/spark/sql/AmmoniteSparkSession.scala
+++ b/modules/core/src/main/scala/org/apache/spark/sql/AmmoniteSparkSession.scala
@@ -1,7 +1,7 @@
 package org.apache.spark.sql
 
-import ammonite.repl.ReplAPI
-import ammonite.interp.InterpAPI
+import ammonite.repl.api.ReplAPI
+import ammonite.interp.api.InterpAPI
 import org.apache.spark.sql.ammonitesparkinternals.AmmoniteSparkSessionBuilder
 
 object AmmoniteSparkSession {
diff --git a/modules/core/src/main/scala/org/apache/spark/sql/ammonitesparkinternals/AmmoniteClassServer.scala b/modules/core/src/main/scala/org/apache/spark/sql/ammonitesparkinternals/AmmoniteClassServer.scala
index 7e4c8c1..f274013 100644
--- a/modules/core/src/main/scala/org/apache/spark/sql/ammonitesparkinternals/AmmoniteClassServer.scala
+++ b/modules/core/src/main/scala/org/apache/spark/sql/ammonitesparkinternals/AmmoniteClassServer.scala
@@ -5,12 +5,14 @@ import java.net.{InetSocketAddress, ServerSocket, URI}
 import java.nio.file.Files
 
 import javax.servlet.http.{HttpServletRequest, HttpServletResponse}
-import ammonite.runtime.Frame
+import ammonite.repl.api.Frame
 import org.eclipse.jetty.server.{Request, Server}
 import org.eclipse.jetty.server.handler.AbstractHandler
 
 final class AmmoniteClassServer(host: String, bindTo: String, port: Int, frames: => List[Frame]) {
 
+  import Compatibility._
+
   private val socketAddress = InetSocketAddress.createUnresolved(bindTo, port)
 
   private val handler = new AbstractHandler {
@@ -22,7 +24,7 @@ final class AmmoniteClassServer(host: String, bindTo: String, port: Int, frames:
       val fromClassMaps =
         frames
           .toStream
-          .flatMap(_.classloader.newFileDict.get(item))
+          .flatMap(_.classloader.inMemoryClasses.get(item))
           .headOption
 
       def fromDirs =
diff --git a/modules/core/src/main/scala/org/apache/spark/sql/ammonitesparkinternals/AmmoniteSparkSessionBuilder.scala b/modules/core/src/main/scala/org/apache/spark/sql/ammonitesparkinternals/AmmoniteSparkSessionBuilder.scala
index eeb2b3d..284da21 100644
--- a/modules/core/src/main/scala/org/apache/spark/sql/ammonitesparkinternals/AmmoniteSparkSessionBuilder.scala
+++ b/modules/core/src/main/scala/org/apache/spark/sql/ammonitesparkinternals/AmmoniteSparkSessionBuilder.scala
@@ -5,8 +5,8 @@ import java.net.{InetAddress, URI, URL}
 import java.nio.charset.StandardCharsets
 import java.nio.file.{Files, Paths}
 
-import ammonite.repl.ReplAPI
-import ammonite.interp.InterpAPI
+import ammonite.repl.api.ReplAPI
+import ammonite.interp.api.InterpAPI
 import org.apache.spark.SparkContext
 import org.apache.spark.scheduler.{SparkListener, SparkListenerApplicationEnd}
 import org.apache.spark.sql.SparkSession
diff --git a/modules/tests/src/main/scala-2.11/ammonite/repl/api/package.scala b/modules/tests/src/main/scala-2.11/ammonite/repl/api/package.scala
new file mode 100644
index 0000000..cbaba55
--- /dev/null
+++ b/modules/tests/src/main/scala-2.11/ammonite/repl/api/package.scala
@@ -0,0 +1,9 @@
+package ammonite.repl
+
+package object api {
+
+  type FrontEnd = ammonite.repl.FrontEnd
+  type History = ammonite.runtime.History
+  type ReplLoad = ammonite.repl.ReplLoad
+
+}
diff --git a/modules/tests/src/main/scala/ammonite/spark/SparkReplTests.scala b/modules/tests/src/main/scala/ammonite/spark/SparkReplTests.scala
index 34885c4..29692ec 100644
--- a/modules/tests/src/main/scala/ammonite/spark/SparkReplTests.scala
+++ b/modules/tests/src/main/scala/ammonite/spark/SparkReplTests.scala
@@ -330,8 +330,8 @@ class SparkReplTests(
             @ val list = List((1, Foo(1)), (1, Foo(2)))
             list: List[(Int, Foo)] = List((1, Foo(1)), (1, Foo(2)))
 
-            @ val res = sc.parallelize(list).groupByKey().collect()
-            res: Array[(Int, Iterable[Foo])] = Array((1, List(Foo(1), Foo(2))))
+            @ val res = sc.parallelize(list).groupByKey().collect().map { case (k, v) => k -> v.toList }
+            res: Array[(Int, List[Foo])] = Array((1, List(Foo(1), Foo(2))))
         """
       )
     }
diff --git a/modules/tests/src/main/scala/ammonite/spark/fromammonite/TestRepl.scala b/modules/tests/src/main/scala/ammonite/spark/fromammonite/TestRepl.scala
index 671a49d..a2670f3 100644
--- a/modules/tests/src/main/scala/ammonite/spark/fromammonite/TestRepl.scala
+++ b/modules/tests/src/main/scala/ammonite/spark/fromammonite/TestRepl.scala
@@ -4,7 +4,8 @@ import ammonite.interp.{CodeClassWrapper, CodeWrapper, Interpreter}
 import ammonite.main.Defaults
 import ammonite.ops.{Path, read}
 import ammonite.repl._
-import ammonite.runtime.{Frame, History, Storage}
+import ammonite.repl.api.{FrontEnd, History, ReplLoad}
+import ammonite.runtime.{Frame, ImportHook, Storage}
 import ammonite.util.Util.normalizeNewlines
 import ammonite.util._
 import utest._
@@ -88,15 +89,15 @@ class TestRepl {
     }
   ))
 
-  val frames: Ref[List[Frame]] = Ref(List(Frame.createInitial()))
+  private val initialLoader = Thread.currentThread().getContextClassLoader
+  val frames: Ref[List[Frame]] = Ref(List(Frame.createInitial(initialLoader)))
   val sess0 = new SessionApiImpl(frames)
 
   var currentLine = 0
   lazy val interp: Interpreter = try {
     new Interpreter(
-      printer0,
+      printer = printer0,
       storage = storage,
-      wd = ammonite.ops.pwd,
       basePredefs = Seq(
         PredefInfo(
           Name("defaultPredef"),
@@ -108,7 +109,9 @@ class TestRepl {
       ),
       customPredefs = Seq(),
       extraBridges = extraBridges,
+      wd = ammonite.ops.pwd,
       colors = Ref(Colors.BlackWhite),
+      verboseOutput = true,
       getFrame = () => frames().head,
       createFrame = () => { val f = sess0.childFrame(frames().head); frames() = f :: frames(); f },
       replCodeWrapper = codeWrapper,
diff --git a/project/Deps.scala b/project/Deps.scala
index 8b20b43..1d1eeda 100644
--- a/project/Deps.scala
+++ b/project/Deps.scala
@@ -5,7 +5,28 @@ import sbt.Keys._
 
 object Deps {
 
-  def ammoniteRepl = ("com.lihaoyi" % "ammonite-repl" % "1.6.7").cross(CrossVersion.full)
+  private val ammoniteVersion = setting {
+    val sv = scalaVersion.value
+    if (sv.startsWith("2.11."))
+      "1.6.7"
+    else
+      "1.6.9-8-2a27ffe"
+  }
+
+  def ammoniteReplApi = setting {
+    val sv = scalaVersion.value
+    val mod =
+      if (sv.startsWith("2.11."))
+        "com.lihaoyi" % "ammonite-repl"
+      else
+        "com.lihaoyi" % "ammonite-repl-api"
+    val ver = ammoniteVersion.value
+    (mod % ver).cross(CrossVersion.full)
+  }
+  def ammoniteRepl = setting {
+    val ver = ammoniteVersion.value
+    ("com.lihaoyi" % "ammonite-repl" % ver).cross(CrossVersion.full)
+  }
   def jettyServer = "org.eclipse.jetty" % "jetty-server" % "9.4.19.v20190610"
   def utest = "com.lihaoyi" %% "utest" % "0.6.7"
 
diff --git a/project/Settings.scala b/project/Settings.scala
index 020a074..dfb2547 100644
--- a/project/Settings.scala
+++ b/project/Settings.scala
@@ -26,7 +26,7 @@ object Settings {
   }
 
   lazy val shared = Seq(
-    scalaVersion := scala211,
+    scalaVersion := scala212,
     crossScalaVersions := Seq(scala212, scala211),
     scalacOptions ++= Seq(
       "-deprecation",