diff --git a/.travis.yml b/.travis.yml
index b86cd4bf..906a7562 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,12 +18,15 @@ gemfile:
   - gemfiles/rails4_2.gemfile
   - gemfiles/rails5_0.gemfile
   - gemfiles/rails5_1.gemfile
+  - gemfiles/rails5_2.gemfile
 matrix:
   exclude:
     - rvm: 2.1.10
       gemfile: gemfiles/rails5_0.gemfile
     - rvm: 2.1.10
       gemfile: gemfiles/rails5_1.gemfile
+    - rvm: 2.1.10
+      gemfile: gemfiles/rails5_2.gemfile
     # rails <=4.1 segfaults with ruby 2.4+
     - rvm: 2.4.3
       gemfile: gemfiles/rails4_0.gemfile
diff --git a/Appraisals b/Appraisals
index 6220edeb..987feadd 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,4 +1,4 @@
-rails_versions = ['~> 4.0.5', '~> 4.1.1', '~> 4.2.0', '~> 5.0.0', '~> 5.1.0']
+rails_versions = ['~> 4.0.5', '~> 4.1.1', '~> 4.2.0', '~> 5.0.0', '~> 5.1.0', '~> 5.2.0']
 
 rails_versions.each do |rails_version|
   appraise "rails#{rails_version.slice(/\d+\.\d+/).gsub('.', '_')}" do
diff --git a/exception_notification.gemspec b/exception_notification.gemspec
index 9bf5d677..bb179f82 100644
--- a/exception_notification.gemspec
+++ b/exception_notification.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "mocha", ">= 0.13.0"
   s.add_development_dependency "sqlite3", ">= 1.3.4"
   s.add_development_dependency "coveralls", "~> 0.8.2"
-  s.add_development_dependency "appraisal", "~> 2.0.0"
+  s.add_development_dependency "appraisal", "~> 2.2.0"
   s.add_development_dependency "hipchat", ">= 1.0.0"
   s.add_development_dependency "carrier-pigeon", ">= 0.7.0"
   s.add_development_dependency "slack-notifier", ">= 1.0.0"
diff --git a/gemfiles/rails4_0.gemfile b/gemfiles/rails4_0.gemfile
index 39a1bd6b..4f47847a 100644
--- a/gemfiles/rails4_0.gemfile
+++ b/gemfiles/rails4_0.gemfile
@@ -4,4 +4,4 @@ source "https://rubygems.org"
 
 gem "rails", "~> 4.0.5"
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails4_1.gemfile b/gemfiles/rails4_1.gemfile
index 8dfe1fe3..7e4bd92e 100644
--- a/gemfiles/rails4_1.gemfile
+++ b/gemfiles/rails4_1.gemfile
@@ -4,4 +4,4 @@ source "https://rubygems.org"
 
 gem "rails", "~> 4.1.1"
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails4_2.gemfile b/gemfiles/rails4_2.gemfile
index cd8b45b1..6977eb02 100644
--- a/gemfiles/rails4_2.gemfile
+++ b/gemfiles/rails4_2.gemfile
@@ -4,4 +4,4 @@ source "https://rubygems.org"
 
 gem "rails", "~> 4.2.0"
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails5_0.gemfile b/gemfiles/rails5_0.gemfile
index 123ad559..10f52e7a 100644
--- a/gemfiles/rails5_0.gemfile
+++ b/gemfiles/rails5_0.gemfile
@@ -4,4 +4,4 @@ source "https://rubygems.org"
 
 gem "rails", "~> 5.0.0"
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails5_1.gemfile b/gemfiles/rails5_1.gemfile
index 20a05ff9..6100e830 100644
--- a/gemfiles/rails5_1.gemfile
+++ b/gemfiles/rails5_1.gemfile
@@ -4,4 +4,4 @@ source "https://rubygems.org"
 
 gem "rails", "~> 5.1.0"
 
-gemspec :path => "../"
+gemspec path: "../"
diff --git a/gemfiles/rails5_2.gemfile b/gemfiles/rails5_2.gemfile
new file mode 100644
index 00000000..5a706dcb
--- /dev/null
+++ b/gemfiles/rails5_2.gemfile
@@ -0,0 +1,7 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rails", "~> 5.2.0"
+
+gemspec path: "../"
diff --git a/test/dummy/config/application.rb b/test/dummy/config/application.rb
index 989b0789..a766c4db 100644
--- a/test/dummy/config/application.rb
+++ b/test/dummy/config/application.rb
@@ -38,5 +38,8 @@ class Application < Rails::Application
 
     # Configure sensitive parameters which will be filtered from the log file.
     config.filter_parameters += [:password, :secret]
+
+    rails_version = Gem::Version.new(Rails.version)
+    config.active_record.sqlite3.represent_boolean_as_integer = true if rails_version >= Gem::Version.new("5.2.0")
   end
 end
diff --git a/test/dummy/config/initializers/secret_token.rb b/test/dummy/config/initializers/secret_token.rb
index ff5c7bfc..1de52661 100644
--- a/test/dummy/config/initializers/secret_token.rb
+++ b/test/dummy/config/initializers/secret_token.rb
@@ -4,5 +4,4 @@
 # If you change this key, all old signed cookies will become invalid!
 # Make sure the secret is at least 30 characters and all random,
 # no regular words or you'll be exposed to dictionary attacks.
-Dummy::Application.config.secret_token = 'cfdf538142b0b383e722e8e7ea839b8ce6c3dc94a57856b343a2d13be66f5b690a55c991cec6e98ed60ea9b7e58265af23cb40cbadee02f13f1c45c2625f482b'
 Dummy::Application.config.secret_key_base = 'my new secret'