.travis.yml in paperclip-deflater-0.1.5 vs .travis.yml in paperclip-deflater-0.1.6

@@ -1,11 +1,12 @@
 language: ruby
 
 rvm:
   - 2.1
   - 2.2.6
-  - 2.3.3
-  - 2.4.0
+  - 2.3.7
+  - 2.4.4
+  - 2.5.1
 
 install:
   - "gem install bundler"
   - "bundle install --jobs=3 --retry=3"