Be explicit about MRI version

estolfo · estolfo · commit fb3cc66f94d3 · 2016-11-21T14:57:56.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,7 +7,7 @@ rvm:
   - 2.0.0
   - 2.1
   - 2.2
-  - 2.3
+  - 2.3.2
   - jruby-19mode
   - jruby-9.1.6.0
 
