Travis, let's try specifying the exact 2.3 version.

djanowski · djanowski · commit e8317bcc64bf · 2016-11-24T00:25:38.000-03:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,13 +2,10 @@ language: ruby
 
 script: make test
 
-before_install:
-  - rvm get stable
-
 rvm:
   - 2.1
   - 2.2
-  - 2.3
+  - 2.3.3
   - jruby-9
   - rbx-3
 
