diff --git a/.gitignore b/.gitignore
index 9b66bc8..dea279d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 .bundle/
 log/*.log
 pkg/
-spec/dummy/db/*.sqlite3
 spec/dummy/log/*.log
 spec/dummy/tmp/
 spec/dummy/.sass-cache
diff --git a/.travis.yml b/.travis.yml
index ec4c2b1..6f1fd69 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,4 @@
 language: ruby
 rvm:
   - 1.9.3
-before_script:
-  - cd spec/dummy && bundle exec rake db:test:load && cd -
+  - 2.1.1
diff --git a/README.md b/README.md
index 5e94f39..ee258f0 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ obfuscate_id turns a URL like this:
 into something like:
 
     http://example.com/users/2356513904
-    
+
 Sequential ActiveRecord ids become non-sequential, random looking, numeric ids.
 
     # post 7000
@@ -22,7 +22,7 @@ Sequential ActiveRecord ids become non-sequential, random looking, numeric ids.
     http://example.com/posts/7107163820
     # post 7002
     http://example.com/posts/3296163828
-       
+
 ## Why would you want this?
 
 If your site is scaling well, you might not want to leak that you are getting 50 new posts a minute.
@@ -52,7 +52,7 @@ Run bundler.
 
 ## Usage
 
-In your model, add a single line.  
+In your model, add a single line.
 
     class Post < ActiveRecord::Base
       obfuscate_id
@@ -81,6 +81,12 @@ ActiveRecord reverses this obfuscated id back to the plain id before building th
 * This is not security.  obfuscate_id was created to lightly mask record id numbers for the casual user.  If you need to really secure your database ids (hint, you probably don't), you need to use real encryption like AES.
 * To properly generate obfuscated urls, make sure you trigger the model's `to_param` method by passing in the whole object rather than just the id; do this: `post_path(@post)` not this: `post_path(@post.id)`.
 
+## Versions
+
+This is tested with Rails 4.2.0.  For other versions of Rails, please see [the releases](https://github.com/namick/obfuscate_id/releases).
+
+If you are trying to get it to work with a different version of rails that is not tested, let me know in [the issues](https://github.com/namick/obfuscate_id/issues)
+
 ## Development
 
 To run the tests, first clone the repo and run bundler:
@@ -89,12 +95,6 @@ To run the tests, first clone the repo and run bundler:
     cd obfuscate_id
     bundle install
 
-Change to the dummy rails app and load the test database
-
-    cd spec/dummy
-    bundle exec rake db:test:load
-    cd -
-
 Run the tests
 
     bundle exec rspec spec
diff --git a/spec/dummy/.gitignore b/spec/dummy/.gitignore
index 050c9d9..9c6a60a 100644
--- a/spec/dummy/.gitignore
+++ b/spec/dummy/.gitignore
@@ -8,7 +8,7 @@
 /.bundle
 
 # Ignore the default SQLite database.
-/db/*.sqlite3
+/db/development.sqlite3
 /db/*.sqlite3-journal
 
 # Ignore all logfiles and tempfiles.
diff --git a/spec/dummy/db/test.sqlite3 b/spec/dummy/db/test.sqlite3
new file mode 100644
index 0000000..31f3ff0
Binary files /dev/null and b/spec/dummy/db/test.sqlite3 differ