diff --git a/.travis.yml b/.travis.yml
index 40fac1f..287dd85 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,3 +3,7 @@ lein: lein2
 before_script:
   - ./bin/ci/before_script.sh
 script: lein2 ci test
+jdk:
+  - openjdk6
+  - openjdk7
+  - oraclejdk7