diff --git a/.travis.yml b/.travis.yml
index fe9498a..c232f8f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,9 +6,7 @@ rvm:
   - 2.2
   - 2.3.3
   - 2.4.0
-  - jruby-9.1.6.0
-  - jruby-head
-  - rbx-2
+  - jruby-9.1.7.0
   - ruby-head
 
 sudo: false