diff --git a/.travis.yml b/.travis.yml
index 6490334..d1fa83e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,5 @@
 language: java
+jdk:
+  - openjdk8
 after_success:
   - bash <(curl -s https://codecov.io/bash)