diff --git a/.travis.yml b/.travis.yml
index ba71cf1..b1c3f67 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,10 +5,15 @@ rvm:
   - 2.2
   - 2.3
   - 2.4
+  - 2.5
+  - 2.6
+  - ruby-head
 gemfile:
   - gemfiles/rails3.gemfile
   - gemfiles/rails4.gemfile
   - gemfiles/rails5.gemfile
+  - gemfiles/rails6.0.gemfile
+  - gemfiles/rails6.1.gemfile
 matrix:
   exclude:
     - rvm: 2.2
diff --git a/gemfiles/rails6.0.gemfile b/gemfiles/rails6.0.gemfile
new file mode 100644
index 0000000..478990b
--- /dev/null
+++ b/gemfiles/rails6.0.gemfile
@@ -0,0 +1,8 @@
+source 'https://rubygems.org'
+
+group :development, :test do
+  gem 'activerecord', '~> 6.0'
+  gem 'test-unit'
+end
+
+gemspec :path => "../"
diff --git a/gemfiles/rails6.1.gemfile b/gemfiles/rails6.1.gemfile
new file mode 100644
index 0000000..2f49d0d
--- /dev/null
+++ b/gemfiles/rails6.1.gemfile
@@ -0,0 +1,8 @@
+source 'https://rubygems.org'
+
+group :development, :test do
+  gem 'activerecord', '~> 6.1'
+  gem 'test-unit'
+end
+
+gemspec :path => "../"