diff --git a/.travis.yml b/.travis.yml
index b7d848d56..d9b9ba08d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: java
 jdk:
   - oraclejdk8
+  - openjdk7
 
 install: mvn install -Dgpg.skip