diff --git a/.travis.yml b/.travis.yml
index 0775232ad..1e8c0e7c4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,45 +1,50 @@
 language: scala
 scala:
-# When updating Scala versions, also check the excludes
-# in build matrix below.
-- 2.11.12
-- 2.12.6
-jdk:
-- oraclejdk8
-- oraclejdk11
+  - 2.12.8
+
+before_install:
+  - curl -sL https://github.com/shyiko/jabba/raw/master/install.sh | bash && . ~/.jabba/jabba.sh
+
 env:
+  global:
+    - JABBA_HOME=$HOME/.jabba
   matrix:
-    - SCRIPT=scripts/test-sbt
-    - SCRIPT=scripts/test-gradle
-script:
-- $SCRIPT
-cache:
-  directories:
-  - "$HOME/.ivy2/cache"
-  - "$HOME/.gradle/caches"
-before_cache:
-- rm -rf $HOME/.ivy2/cache/com.typesafe.play/*
-- rm -rf $HOME/.ivy2/cache/scala_*/sbt_*/com.typesafe.play/*
-- find $HOME/.ivy2/cache -name "ivydata-*.properties" -print0 | xargs -n10 -0 rm
+    # There is no concise way to specify multi-dimensional build matrix:
+    # https://github.com/travis-ci/travis-ci/issues/1519
+    - SCRIPT=scripts/test-sbt     TRAVIS_JDK=adopt@1.8.192-12
+    - SCRIPT=scripts/test-sbt     TRAVIS_JDK=adopt@1.11.0-1
+    - SCRIPT=scripts/test-gradle  TRAVIS_JDK=adopt@1.8.192-12
+    - SCRIPT=scripts/test-gradle  TRAVIS_JDK=adopt@1.11.0-1
 
 # Exclude some combinations from build matrix. See:
 # https://docs.travis-ci.com/user/customizing-the-build/#Build-Matrix
 matrix:
   fast_finish: true
-  exclude:
-    - scala: 2.11.12
-      jdk: oraclejdk11
   allow_failures:
-    # We should allow failures here since Java 11 removed some modules including
-    # java.xml.bind which we are adding when running with Java 9+. For more details
-    # see http://openjdk.java.net/jeps/320
-    #
-    # Play already has a fix for that, but it needs to be backported and released
-    # for 2.6.x: https://github.com/playframework/playframework/pull/8382
-    - jdk: oraclejdk11
+    # Current release of Gradle still does not supports Play 2.7.x releases
+    # As soon as there is a release of Gradle that fixes that, we can then
+    # remove this allowed failure.
+    - env: SCRIPT=scripts/test-gradle  TRAVIS_JDK=adopt@1.8.192-12
+    - env: SCRIPT=scripts/test-gradle  TRAVIS_JDK=adopt@1.11.0-1
+    # Java 11 is still not fully supported. It is good that we are already
+    # testing our sample applications to better discover possible problems
+    # but we can allow failures here too.
+    - env: SCRIPT=scripts/test-sbt     TRAVIS_JDK=adopt@1.11.0-1
+
+install:
+  - $JABBA_HOME/bin/jabba install $TRAVIS_JDK
+  - unset _JAVA_OPTIONS
+  - export JAVA_HOME="$JABBA_HOME/jdk/$TRAVIS_JDK" && export PATH="$JAVA_HOME/bin:$PATH" && java -Xmx32m -version
 
-# See https://blog.travis-ci.com/2014-03-13-slack-notifications/
-# created with travis encrypt command line tool
-notifications:
-  slack:
-    secure: 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
+script:
+  - $SCRIPT
+
+before_cache:
+  - find $HOME/.ivy2 -name "ivydata-*.properties" -delete
+  - find $HOME/.sbt -name "*.lock" -delete
+
+cache:
+  directories:
+    - "$HOME/.ivy2/cache"
+    - "$HOME/.gradle/caches"
+    - "$HOME/.jabba/jdk"
diff --git a/build.sbt b/build.sbt
index caad32e61..87c523c6d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ name := """play-chatroom-scala-example"""
 
 version := "2.6.x"
 
-scalaVersion := "2.12.7"
+scalaVersion := "2.12.8"
 
 crossScalaVersions := Seq("2.11.12", "2.12.4")
 
diff --git a/project/build.properties b/project/build.properties
index 5620cc502..c0bab0494 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.2.1
+sbt.version=1.2.8