diff --git a/internal/util-logging/src/main/scala/sbt/internal/util/BufferedLogger.scala b/internal/util-logging/src/main/scala/sbt/internal/util/BufferedLogger.scala
index f1948b2f8..dc22049c0 100644
--- a/internal/util-logging/src/main/scala/sbt/internal/util/BufferedLogger.scala
+++ b/internal/util-logging/src/main/scala/sbt/internal/util/BufferedLogger.scala
@@ -34,7 +34,7 @@ object BufferedAppender {
  * the level at the time 'play' is called.
  */
 class BufferedAppender private[BufferedAppender] (name: String, delegate: Appender)
-    extends AbstractAppender(name, null, PatternLayout.createDefaultLayout(), true) {
+    extends AbstractAppender(name, null, PatternLayout.createDefaultLayout(), true, Array.empty) {
 
   private[this] val buffer = new ListBuffer[XLogEvent]
   private[this] var recording = false
diff --git a/internal/util-logging/src/main/scala/sbt/internal/util/ConsoleAppender.scala b/internal/util-logging/src/main/scala/sbt/internal/util/ConsoleAppender.scala
index 28e6c657c..e18add319 100644
--- a/internal/util-logging/src/main/scala/sbt/internal/util/ConsoleAppender.scala
+++ b/internal/util-logging/src/main/scala/sbt/internal/util/ConsoleAppender.scala
@@ -333,7 +333,7 @@ class ConsoleAppender private[ConsoleAppender] (
     ansiCodesSupported: Boolean,
     useFormat: Boolean,
     suppressedMessage: SuppressedTraceContext => Option[String]
-) extends AbstractAppender(name, null, LogExchange.dummyLayout, true) {
+) extends AbstractAppender(name, null, LogExchange.dummyLayout, true, Array.empty) {
   import scala.Console.{ BLUE, GREEN, RED, YELLOW }
 
   private val reset: String = {
diff --git a/internal/util-logging/src/main/scala/sbt/util/LogExchange.scala b/internal/util-logging/src/main/scala/sbt/util/LogExchange.scala
index 2341a4395..98f7353ce 100644
--- a/internal/util-logging/src/main/scala/sbt/util/LogExchange.scala
+++ b/internal/util-logging/src/main/scala/sbt/util/LogExchange.scala
@@ -124,7 +124,8 @@ sealed abstract class LogExchange {
     // CustomConsoleAppenderImpl.createAppender("Stdout", layout, null, null)
     appender.start
     config.addAppender(appender)
-    val asyncAppender: AsyncAppender = (AsyncAppender.newBuilder(): AsyncAppender.Builder)
+    val asyncAppender: AsyncAppender = AsyncAppender
+      .newBuilder()
       .setName("AsyncStdout")
       .setAppenderRefs(Array(AppenderRef.createAppenderRef("Stdout", XLevel.DEBUG, null)))
       .setBlocking(false)
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index d820356a3..74d510024 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -5,7 +5,7 @@ import sbt.contraband.ContrabandPlugin.autoImport._
 object Dependencies {
   val scala210 = "2.10.7"
   val scala211 = "2.11.12"
-  val scala212 = "2.12.7"
+  val scala212 = "2.12.8"
 
   private val ioVersion = "1.2.1"
 
@@ -54,7 +54,7 @@ object Dependencies {
     "com.eed3si9n" %% "sjson-new-murmurhash" % contrabandSjsonNewVersion.value
   }
 
-  def log4jVersion = "2.11.1"
+  def log4jVersion = "2.11.2"
   val log4jApi = "org.apache.logging.log4j" % "log4j-api" % log4jVersion
   val log4jCore = "org.apache.logging.log4j" % "log4j-core" % log4jVersion
   val disruptor = "com.lmax" % "disruptor" % "3.4.2"