diff --git a/.travis.yml b/.travis.yml
index 5b51cde..1e8c0e7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,23 +1,20 @@
 language: scala
 scala:
-  - 2.12.7
-jdk:
-  - oraclejdk8
-  - openjdk11
+  - 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
@@ -27,14 +24,27 @@ matrix:
     # 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
+    - 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.
-    - jdk: openjdk11
+    - 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: ltgIyHnWM/apr/VaeX9diKH6o4chcZO+1SUmjTuJIoRJCMdKjv0TY4k+HMabLwe/4ZXhzZ/nq2VhbUZDnvsL90b9MfeDjcvf9ku20MSNuiDvZZC3yYgj7I+x3Y2kbVZcugTPbl2Ig0UGqSGCuVyqYnLSBPQ1LOn/gug3hGMqcJ5vb40g1zRPG842yZjJ5UTo5suitPc63YYuAcddoBnBCqAez+2Z8W4Gf6vu27DonTEcisiu2MmWD2X2AqmahuZi7TE0c3o3CBrrY38N+EPvonuBHSO03vaCF0XvabOxALHzLQDG6byw/u4anGXpa0/dhrT6gglb31y10hzxH6yfb2p9a/LNrY4gKyz4bzEBplTb7uogaJCJpYiQDdINxRGkVdbHRDyuAsEo+Y7y6pW60oEOLUuLmvKSAjPNp5k1o2Mmx13O1SBbAxP6YSiZStptKYko8BlSEIsBSvhXaZuIcoAeMgypcxyemZWi9QBIH+SNgueIdGCTBZ5lQe+nBLhjft+0hFnV9mJMazGmvaue5UGukalLhHgyNhnGdTrC1QVjU53iDY95GY3QJhcdnXr6cCvEAZvHwefjnTLCiKqNAgG77Y3w8CH5vyFwoS/dYFzl08urIxblxL8bUrI5vgNrt38gW/vKHxXZBzj6c80xyfdVGcdex/m/jI5BllLMH3A=
+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 95ce385..a5a0d3a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ val gatlingVersion = "2.3.1"
 
 inThisBuild(
   List(
-    scalaVersion := "2.12.7",
+    scalaVersion := "2.12.8",
     dependencyOverrides := Seq(
       "org.codehaus.plexus" % "plexus-utils" % "3.0.18",
       "com.google.code.findbugs" % "jsr305" % "3.0.1",
@@ -45,4 +45,4 @@ testOptions in Test := Seq(Tests.Argument(TestFrameworks.JUnit, "-a", "-v"))
 javacOptions ++= Seq(
   "-Xlint:unchecked",
   "-Xlint:deprecation"
-)
\ No newline at end of file
+)
diff --git a/project/build.properties b/project/build.properties
index 5620cc5..c0bab04 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.2.1
+sbt.version=1.2.8