diff --git a/.travis.yml b/.travis.yml
index 08c771db0..685795e6c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,8 @@ rvm:
   - 2.3.0
   - 2.4.0
   - jruby-19mode
+jdk:
+  - oraclejdk8
 before_install:
  - sudo apt-get update
  - sudo apt-get install libicu-dev