diff --git a/.jvmopts b/.jvmopts
index e04a8443..904e6ea4 100644
--- a/.jvmopts
+++ b/.jvmopts
@@ -1,5 +1,5 @@
 -Xmx2g
--XX:MaxMetaspaceSize=512m
+-XX:MaxMetaspaceSize=1g
 -XX:ReservedCodeCacheSize=256m
 -XX:+UseParallelGC
 -Dfile.encoding=UTF8
diff --git a/.travis.yml b/.travis.yml
index d5881660..319e9d90 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,9 +10,9 @@ stages:
 
 jobs:
   include:
-    - script: sbt +test:compile +test
+    - script: sbt -Dsbt.supershell=false +test:compile +test
     - stage: release
-      script: sbt ci-release
+      script: sbt -Dsbt.supershell=false ci-release
 
 cache:
   directories:
diff --git a/build.sbt b/build.sbt
index fa08daf8..1f8358fe 100644
--- a/build.sbt
+++ b/build.sbt
@@ -60,14 +60,13 @@ lazy val `akka-http-circe` =
     .enablePlugins(AutomateHeaderPlugin)
     .settings(settings)
     .settings(
-      crossScalaVersions := Seq(scalaVersion.value, "2.11.12"),
+      crossScalaVersions := Seq("2.13.0", scalaVersion.value, "2.11.12"),
       libraryDependencies ++= Seq(
         library.akkaHttp,
         library.akkaStream,
-        library.circe,
-        library.circeParser,
-        library.circeJawn,
-        library.circeGeneric % Test,
+        if (scalaVersion.value == "2.11.12") library.circe.withRevision("0.11.1") else library.circe,
+        if (scalaVersion.value == "2.11.12") library.circeParser.withRevision("0.11.1") else library.circeParser,
+        (if (scalaVersion.value == "2.11.12") library.circeGeneric.withRevision("0.11.1") else library.circeGeneric) % Test,
         library.scalaTest    % Test
       )
     )
@@ -186,14 +185,14 @@ lazy val library =
       val akkaHttp           = "10.1.9"
       val argonaut           = "6.2.3"
       val avro4s             = "3.0.1"
-      val circe              = "0.11.1"
+      val circe              = "0.12.1"
       val jacksonModuleScala = "2.9.9"
-      val jsoniterScala      = "0.55.0"
+      val jsoniterScala      = "0.55.2"
       val json4s             = "3.6.7"
       val play               = "2.7.4"
       val scalaTest          = "3.0.8"
       val upickle            = "0.7.5"
-      val avsystemCommons    = "1.39.0"
+      val avsystemCommons    = "1.40.0"
     }
     val akkaHttp            = "com.typesafe.akka"                     %% "akka-http"             % Version.akkaHttp
     val akkaHttpJacksonJava = "com.typesafe.akka"                     %% "akka-http-jackson"     % Version.akkaHttp
@@ -203,7 +202,6 @@ lazy val library =
     val avsystemCommons     = "com.avsystem.commons"                  %% "commons-core"          % Version.avsystemCommons
     val circe               = "io.circe"                              %% "circe-core"            % Version.circe
     val circeParser         = "io.circe"                              %% "circe-parser"          % Version.circe
-    val circeJawn           = "io.circe"                              %% "circe-jawn"            % Version.circe
     val circeGeneric        = "io.circe"                              %% "circe-generic"         % Version.circe
     val jacksonModuleScala  = "com.fasterxml.jackson.module"          %% "jackson-module-scala"  % Version.jacksonModuleScala
     val json4sCore          = "org.json4s"                            %% "json4s-core"           % Version.json4s
@@ -228,7 +226,7 @@ lazy val settings =
 
 lazy val commonSettings =
   Seq(
-    scalaVersion := "2.12.9",
+    scalaVersion := "2.12.10",
     organizationName := "Heiko Seeberger",
     startYear := Some(2015),
     scalacOptions ++= Seq(
diff --git a/project/build.properties b/project/build.properties
index dca663de..da29904a 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version = 1.2.8
+sbt.version = 1.3.0