diff --git a/.travis.yml b/.travis.yml
index e962812..b56c154 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,10 @@
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.0
-  - 2.2.2
-  - 2.3.0
+  - 2.1.9
+  - 2.2.5
+  - 2.3.1
+  - ruby-head
   - jruby-19mode
   - rbx-2
 before_install:
@@ -20,17 +21,18 @@ gemfile:
   - gemfiles/5.0.gemfile
 matrix:
   fast_finish: true
-  allow_failures:
-    - rvm: jruby-19mode
-      gemfile: gemfiles/5.0.gemfile
+  exclude:
     - rvm: 1.9.3
       gemfile: gemfiles/5.0.gemfile
     - rvm: 2.0.0
       gemfile: gemfiles/5.0.gemfile
-    - rvm: 2.1.0
+    - rvm: 2.1.9
+      gemfile: gemfiles/5.0.gemfile
+  allow_failures:
+    - rvm: ruby-head
+    - rvm: jruby-19mode
       gemfile: gemfiles/5.0.gemfile
     - rvm: rbx-2
-      gemfile: gemfiles/5.0.gemfile
 branches:
   only:
     - master