.travis.yml in knife-windows-1.4.0 vs .travis.yml in knife-windows-1.4.1

- old
+ new

@@ -1,10 +1,10 @@
 language: ruby
 
 rvm:
-  - 1.9.3
-  - 2.0.0
+  - 2.1
+  - 2.2
 
 before_install:
   - gem install bundler
 
 gemfile: ci.gemfile
@@ -14,12 +14,12 @@
   - CHEF_VERSION="~> 12.0"
   - CHEF_VERSION="< 12"
 
 matrix:
   exclude:
-  - rvm: 1.9.3
+  - rvm: 2.1
     env: CHEF_VERSION="master"
-  - rvm: 1.9.3
+  - rvm: 2.1
     env: CHEF_VERSION="~> 12.0"
 
 branches:
   only:
   - master