diff --git a/.travis.yml b/.travis.yml
index d1533e2..e5af81d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,5 +2,4 @@ language: java
 jdk:
   - oraclejdk9
   - oraclejdk10
-  - openjdk9
-  - openjdk10
+  - oraclejdk11