appveyor.yml in knife-windows-1.9.0 vs appveyor.yml in knife-windows-1.9.1

@@ -6,13 +6,13 @@
 
 environment:
   bundle_gemfile: ci.gemfile
 
   matrix:
-    - ruby_version: "23"
-      chef_version: "~> 12.0"
+    - ruby_version: "24"
+      chef_version: "~> 13.0"
 
-    - ruby_version: "23"
+    - ruby_version: "24"
       chef_version: "master"
 
 clone_folder: c:\projects\knife-windows
 clone_depth: 1
 branches: