diff --git a/.travis.yml b/.travis.yml
index 2b01596..d1533e2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,3 +2,5 @@ language: java
 jdk:
   - oraclejdk9
   - oraclejdk10
+  - openjdk9
+  - openjdk10