diff --git a/.travis.yml b/.travis.yml
index 8cf2a6a..fd18c0f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,11 +5,11 @@
 ---
 sudo: false
 rvm:
-- 2.1.5
+- 2.5.0
 gemfile:
-- gemfiles/activerecord-4.2/Gemfile.mysql2
-- gemfiles/activerecord-4.2/Gemfile.postgresql
-- gemfiles/activerecord-4.2/Gemfile.sqlite3
+- gemfiles/activerecord-5.2/Gemfile.mysql2
+- gemfiles/activerecord-5.2/Gemfile.postgresql
+- gemfiles/activerecord-5.2/Gemfile.sqlite3
 env: POSTGRESQL_DB_USER=postgres MYSQL_DB_USER=travis
 addons:
   postgresql: '9.4'
diff --git a/README.md b/README.md
index 3060b65..ec8417b 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ SchemaPlus::Views is tested on:
 
 <!-- SCHEMA_DEV: MATRIX - begin -->
 <!-- These lines are auto-generated by schema_dev based on schema_dev.yml -->
-* ruby **2.1.5** with activerecord **4.2**, using **mysql2**, **sqlite3** or **postgresql**
+* ruby **2.5.0** with activerecord **5.2**, using **mysql2**, **sqlite3** or **postgresql**
 
 <!-- SCHEMA_DEV: MATRIX - end -->
 
diff --git a/gemfiles/activerecord-4.2/Gemfile.base b/gemfiles/activerecord-5.2/Gemfile.base
similarity index 58%
rename from gemfiles/activerecord-4.2/Gemfile.base
rename to gemfiles/activerecord-5.2/Gemfile.base
index ad6a424..efbdc60 100644
--- a/gemfiles/activerecord-4.2/Gemfile.base
+++ b/gemfiles/activerecord-5.2/Gemfile.base
@@ -1,3 +1,3 @@
 eval File.read File.expand_path('../../Gemfile.base', __FILE__)
 
-gem "activerecord", "~> 4.2.6"
+gem "activerecord", ">= 5.2.0.beta0", "< 5.3"
diff --git a/gemfiles/activerecord-4.2/Gemfile.mysql2 b/gemfiles/activerecord-5.2/Gemfile.mysql2
similarity index 82%
rename from gemfiles/activerecord-4.2/Gemfile.mysql2
rename to gemfiles/activerecord-5.2/Gemfile.mysql2
index 9ce0bb5..f6e58e3 100644
--- a/gemfiles/activerecord-4.2/Gemfile.mysql2
+++ b/gemfiles/activerecord-5.2/Gemfile.mysql2
@@ -2,7 +2,7 @@ require "pathname"
 eval(Pathname.new(__FILE__).dirname.join("Gemfile.base").read, binding)
 
 platform :ruby do
-  gem "mysql2", '>= 0.3.18', '< 0.5'
+  gem "mysql2"
 end
 
 platform :jruby do
diff --git a/gemfiles/activerecord-4.2/Gemfile.postgresql b/gemfiles/activerecord-5.2/Gemfile.postgresql
similarity index 97%
rename from gemfiles/activerecord-4.2/Gemfile.postgresql
rename to gemfiles/activerecord-5.2/Gemfile.postgresql
index 2c00e63..d47da55 100644
--- a/gemfiles/activerecord-4.2/Gemfile.postgresql
+++ b/gemfiles/activerecord-5.2/Gemfile.postgresql
@@ -7,4 +7,4 @@ end
 
 platform :jruby do
   gem 'activerecord-jdbcpostgresql-adapter'
-end
\ No newline at end of file
+end
diff --git a/gemfiles/activerecord-4.2/Gemfile.sqlite3 b/gemfiles/activerecord-5.2/Gemfile.sqlite3
similarity index 100%
rename from gemfiles/activerecord-4.2/Gemfile.sqlite3
rename to gemfiles/activerecord-5.2/Gemfile.sqlite3
diff --git a/schema_dev.yml b/schema_dev.yml
index da8c12b..10129cb 100644
--- a/schema_dev.yml
+++ b/schema_dev.yml
@@ -1,7 +1,7 @@
 ruby:
-    - 2.1.5
+    - 2.5.0
 activerecord:
-    - 4.2
+    - 5.2
 db:
     - mysql2
     - sqlite3
diff --git a/schema_plus_views.gemspec b/schema_plus_views.gemspec
index 42e46dc..9834d20 100644
--- a/schema_plus_views.gemspec
+++ b/schema_plus_views.gemspec
@@ -17,13 +17,13 @@ Gem::Specification.new do |gem|
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
-  gem.add_dependency "activerecord", "~> 4.2"
-  gem.add_dependency "schema_plus_core", "~> 1.0"
+  gem.add_dependency "activerecord", ">= 4.2", "< 5.3"
+  gem.add_dependency "schema_plus_core", "~> 2.1.1"
 
   gem.add_development_dependency "bundler", "~> 1.7"
   gem.add_development_dependency "rake", "~> 10.0"
   gem.add_development_dependency "rspec", "~> 3.0"
-  gem.add_development_dependency "schema_dev", "~> 3.6"
+  gem.add_development_dependency "schema_dev", "~> 3.11.0"
   gem.add_development_dependency "simplecov"
   gem.add_development_dependency "simplecov-gem-profile"
 end