.travis.yml in scoped_search-4.0.0 vs .travis.yml in scoped_search-4.1.0

@@ -13,17 +13,19 @@
 rvm:
 - "2.0"
 - "2.1"
 - "2.2.2"
 - "2.3.1"
+- "2.4.0"
 - ruby-head
 - jruby-19mode
 - jruby-head
 
 gemfile:
 - Gemfile.activerecord42
 - Gemfile.activerecord50
+- Gemfile.activerecord51
 
 matrix:
   allow_failures:
     - rvm: ruby-head
     - rvm: jruby-head
@@ -31,5 +33,9 @@
   exclude:
     - rvm: "2.0"
       gemfile: Gemfile.activerecord50
     - rvm: "2.1"
       gemfile: Gemfile.activerecord50
+    - rvm: "2.0"
+      gemfile: Gemfile.activerecord51
+    - rvm: "2.1"
+      gemfile: Gemfile.activerecord51