diff --git a/.travis.yml b/.travis.yml
index 5c0ce205..56a8b42c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,8 +9,7 @@ rvm:
   - &ruby1 2.3.0
   - &ruby2 2.2.4
   - &ruby3 2.1.8
-  - &ruby4 2.1.10
-  - &jruby jruby-9.0.4.0
+  - &jruby jruby-9.0.5.0
   - &rhead ruby-head
 
 matrix:
@@ -18,7 +17,6 @@ matrix:
   allow_failures:
     - rvm: *jruby
     - rvm: *rhead
-    - rvm: *ruby4
 env:
   matrix:
     - TEST_SUITE=test