diff --git a/.travis.yml b/.travis.yml
index f6a116b..d3d78d6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,6 @@
 language: java
+jdk:
+  - openjdk8
 
 script:
   - ./gradlew check -s
@@ -12,4 +14,3 @@ cache:
   directories:
     - $HOME/.gradle/caches/
     - $HOME/.gradle/wrapper/
-