Update CI versions

tmilewski · tmilewski · commit b192935e25b8 · 2018-12-14T15:58:33.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,11 +9,10 @@ env:
 language: ruby
 rvm:
   - jruby-9000
-  - 2.1.10 # EOL Soon
   - 2.2.9
-  - 2.3.6
-  - 2.4.3
-  - 2.5.0
+  - 2.3.5
+  - 2.4.4
+  - 2.5.3
   - jruby-head
   - ruby-head
 matrix:
