TENTACLES-12: Use JDK9 to build
diff --git a/.travis.yml b/.travis.yml
index 203a2c1..4394c09 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: java
 jdk:
-  - openjdk8
+  - openjdk9
 #before_script:
 #  - pip install --user codecov