diff --git a/.travis.yml b/.travis.yml
index 141b9a8..ed3ea40 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,8 @@ script: mvn cobertura:cobertura -Dmaven.skip.deploy=true -Dgpg.skip
 
 jdk:
   - openjdk8
+  - openjdk9
+  - openjdk10
   - openjdk11
 
 after_success: