diff --git a/.travis.yml b/.travis.yml
index c1042e89c..b704dca00 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,5 +2,6 @@ language: java
 jdk:
   - oraclejdk7
   - oraclejdk8
+  - openjdk7
   
 script: ./refine test