diff --git a/.travis.yml b/.travis.yml
index 10d0d82..7a1d0fd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: java
 jdk:
   - oraclejdk8
-  - oraclejdk9
 after_success:
   - mvn clean test jacoco:report coveralls:report