diff --git a/.travis.yml b/.travis.yml
index d6096487..8f86d618 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,8 @@
 language: java
 
+before_install:
+  - wget https://github.com/sormuras/bach/raw/master/install-jdk.sh
+
 cache:
   directories:
     - ".autoconf"
@@ -25,15 +28,11 @@ jobs:
     # GraalVM
     - name: "GraalVM 20.0.0 (8)"
       if: type != pull_request
-      os: linux
-      dist: xenial
-      install: $TRAVIS_BUILD_DIR/install-jdk.sh --url "https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.0.0/graalvm-ce-java8-linux-amd64-20.0.0.tar.gz"
+      install: . ./install-jdk.sh --url "https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.0.0/graalvm-ce-java8-linux-amd64-20.0.0.tar.gz"
       script: mvn -q clean verify -B
     - name: "GraalVM 20.0.0 (11)"
       if: type != pull_request
-      os: linux
-      dist: xenial
-      install: $TRAVIS_BUILD_DIR/install-jdk.sh --url "https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.0.0/graalvm-ce-java11-linux-amd64-20.0.0.tar.gz"
+      install: . ./install-jdk.sh --url "https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.0.0/graalvm-ce-java11-linux-amd64-20.0.0.tar.gz"
       script: mvn -q clean verify -B
     - stage: deploy
       if: type != pull_request