diff --git a/.travis.yml b/.travis.yml
index 134b71e..fe0dd18 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,7 @@ rvm:
   - 2.7.1
 
 gemfile:
+  - gemfiles/rails_5_1.gemfile
   - gemfiles/rails_5_2.gemfile
   - gemfiles/rails_6_0.gemfile
   - gemfiles/rails_master.gemfile
diff --git a/Appraisals b/Appraisals
index 8dd03ad..6d64e68 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,3 +1,10 @@
+appraise "rails-5-1" do
+  gem "rails", "~> 5.1"
+
+  # Rails 5 does not have built-in support for ActionCable tests.
+  gem "action-cable-testing"
+end
+
 appraise "rails-5-2" do
   gem "rails", "~> 5.2"
 
diff --git a/gemfiles/rails_5_1.gemfile b/gemfiles/rails_5_1.gemfile
new file mode 100644
index 0000000..d8900d0
--- /dev/null
+++ b/gemfiles/rails_5_1.gemfile
@@ -0,0 +1,22 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "pry"
+gem "rake", "~> 12.0"
+gem "rspec", "~> 3.0"
+gem "rspec-rails"
+gem "standard"
+gem "view_component"
+gem "simplecov", "< 0.18", require: false
+gem "generator_spec"
+gem "capybara", ">= 2.15", "< 4.0"
+gem "selenium-webdriver"
+gem "puma"
+gem "webpacker"
+gem "sqlite3"
+gem "appraisal"
+gem "rails", "~> 5.1"
+gem "action-cable-testing"
+
+gemspec path: "../"
diff --git a/gemfiles/rails_5_1.gemfile.lock b/gemfiles/rails_5_1.gemfile.lock
new file mode 100644
index 0000000..ea9a33e
--- /dev/null
+++ b/gemfiles/rails_5_1.gemfile.lock
@@ -0,0 +1,243 @@
+PATH
+  remote: ..
+  specs:
+    motion (0.4.2)
+      lz4-ruby (>= 0.3.3)
+      nokogiri
+      rails (>= 5.2)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    action-cable-testing (0.6.1)
+      actioncable (>= 5.0)
+    actioncable (5.2.4.4)
+      actionpack (= 5.2.4.4)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailer (5.2.4.4)
+      actionpack (= 5.2.4.4)
+      actionview (= 5.2.4.4)
+      activejob (= 5.2.4.4)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 2.0)
+    actionpack (5.2.4.4)
+      actionview (= 5.2.4.4)
+      activesupport (= 5.2.4.4)
+      rack (~> 2.0, >= 2.0.8)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (5.2.4.4)
+      activesupport (= 5.2.4.4)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (5.2.4.4)
+      activesupport (= 5.2.4.4)
+      globalid (>= 0.3.6)
+    activemodel (5.2.4.4)
+      activesupport (= 5.2.4.4)
+    activerecord (5.2.4.4)
+      activemodel (= 5.2.4.4)
+      activesupport (= 5.2.4.4)
+      arel (>= 9.0)
+    activestorage (5.2.4.4)
+      actionpack (= 5.2.4.4)
+      activerecord (= 5.2.4.4)
+      marcel (~> 0.3.1)
+    activesupport (5.2.4.4)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    appraisal (2.3.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    arel (9.0.0)
+    ast (2.4.1)
+    builder (3.2.4)
+    capybara (3.33.0)
+      addressable
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.8)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (~> 1.5)
+      xpath (~> 3.2)
+    childprocess (3.0.0)
+    coderay (1.1.3)
+    concurrent-ruby (1.1.7)
+    crass (1.0.6)
+    diff-lcs (1.4.4)
+    docile (1.3.2)
+    erubi (1.9.0)
+    generator_spec (0.9.4)
+      activesupport (>= 3.0.0)
+      railties (>= 3.0.0)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
+    i18n (1.8.5)
+      concurrent-ruby (~> 1.0)
+    json (2.3.1)
+    loofah (2.7.0)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    lz4-ruby (0.3.3)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    marcel (0.3.3)
+      mimemagic (~> 0.3.2)
+    method_source (1.0.0)
+    mimemagic (0.3.5)
+    mini_mime (1.0.2)
+    mini_portile2 (2.4.0)
+    minitest (5.14.2)
+    nio4r (2.5.4)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
+    parallel (1.19.2)
+    parser (2.7.1.4)
+      ast (~> 2.4.1)
+    pry (0.13.1)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    public_suffix (4.0.6)
+    puma (5.0.0)
+      nio4r (~> 2.0)
+    rack (2.2.3)
+    rack-proxy (0.6.5)
+      rack
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (5.2.4.4)
+      actioncable (= 5.2.4.4)
+      actionmailer (= 5.2.4.4)
+      actionpack (= 5.2.4.4)
+      actionview (= 5.2.4.4)
+      activejob (= 5.2.4.4)
+      activemodel (= 5.2.4.4)
+      activerecord (= 5.2.4.4)
+      activestorage (= 5.2.4.4)
+      activesupport (= 5.2.4.4)
+      bundler (>= 1.3.0)
+      railties (= 5.2.4.4)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (5.2.4.4)
+      actionpack (= 5.2.4.4)
+      activesupport (= 5.2.4.4)
+      method_source
+      rake (>= 0.8.7)
+      thor (>= 0.19.0, < 2.0)
+    rainbow (3.0.0)
+    rake (12.3.3)
+    regexp_parser (1.8.0)
+    rexml (3.2.4)
+    rspec (3.9.0)
+      rspec-core (~> 3.9.0)
+      rspec-expectations (~> 3.9.0)
+      rspec-mocks (~> 3.9.0)
+    rspec-core (3.9.2)
+      rspec-support (~> 3.9.3)
+    rspec-expectations (3.9.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.9.0)
+    rspec-mocks (3.9.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.9.0)
+    rspec-rails (4.0.1)
+      actionpack (>= 4.2)
+      activesupport (>= 4.2)
+      railties (>= 4.2)
+      rspec-core (~> 3.9)
+      rspec-expectations (~> 3.9)
+      rspec-mocks (~> 3.9)
+      rspec-support (~> 3.9)
+    rspec-support (3.9.3)
+    rubocop (0.91.0)
+      parallel (~> 1.10)
+      parser (>= 2.7.1.1)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.7)
+      rexml
+      rubocop-ast (>= 0.4.0, < 1.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 2.0)
+    rubocop-ast (0.4.2)
+      parser (>= 2.7.1.4)
+    rubocop-performance (1.8.1)
+      rubocop (>= 0.87.0)
+      rubocop-ast (>= 0.4.0)
+    ruby-progressbar (1.10.1)
+    rubyzip (2.3.0)
+    selenium-webdriver (3.142.7)
+      childprocess (>= 0.5, < 4.0)
+      rubyzip (>= 1.2.2)
+    semantic_range (2.3.0)
+    simplecov (0.17.1)
+      docile (~> 1.1)
+      json (>= 1.8, < 3)
+      simplecov-html (~> 0.10.0)
+    simplecov-html (0.10.2)
+    sprockets (4.0.2)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.2.2)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
+    sqlite3 (1.4.2)
+    standard (0.6.1)
+      rubocop (~> 0.90)
+      rubocop-performance (~> 1.8.0)
+    thor (1.0.1)
+    thread_safe (0.3.6)
+    tzinfo (1.2.7)
+      thread_safe (~> 0.1)
+    unicode-display_width (1.7.0)
+    view_component (2.19.1)
+      activesupport (>= 5.0.0, < 7.0)
+    webpacker (5.2.1)
+      activesupport (>= 5.2)
+      rack-proxy (>= 0.6.1)
+      railties (>= 5.2)
+      semantic_range (>= 2.3.0)
+    websocket-driver (0.7.3)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  action-cable-testing
+  appraisal
+  capybara (>= 2.15, < 4.0)
+  generator_spec
+  motion!
+  pry
+  puma
+  rails (~> 5.1)
+  rake (~> 12.0)
+  rspec (~> 3.0)
+  rspec-rails
+  selenium-webdriver
+  simplecov (< 0.18)
+  sqlite3
+  standard
+  view_component
+  webpacker
+
+BUNDLED WITH
+   2.1.4
diff --git a/spec/motion/action_cable_extentions/declarative_streams_spec.rb b/spec/motion/action_cable_extentions/declarative_streams_spec.rb
index 76d898f..7a719b4 100644
--- a/spec/motion/action_cable_extentions/declarative_streams_spec.rb
+++ b/spec/motion/action_cable_extentions/declarative_streams_spec.rb
@@ -1,13 +1,13 @@
 # frozen_string_literal: true
 
+class TestChannel < ApplicationCable::Channel
+  include Motion::ActionCableExtentions::DeclarativeStreams
+end
+
 # TODO: These unit tests are very lacking because of the stubbing done by the
 # ActionCable test helpers. There currently does not seem to be any way to setup
 # and handle a real broadcast.
 RSpec.describe Motion::ActionCableExtentions::DeclarativeStreams do
-  class TestChannel < ApplicationCable::Channel
-    include Motion::ActionCableExtentions::DeclarativeStreams
-  end
-
   describe TestChannel, type: :channel do
     before(:each) { subscribe }
 
diff --git a/spec/motion/action_cable_extentions/log_suppression_spec.rb b/spec/motion/action_cable_extentions/log_suppression_spec.rb
index 4e9f9ce..121ae8b 100644
--- a/spec/motion/action_cable_extentions/log_suppression_spec.rb
+++ b/spec/motion/action_cable_extentions/log_suppression_spec.rb
@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
-RSpec.describe Motion::ActionCableExtentions::LogSuppression do
-  class TestChannel < ApplicationCable::Channel
-    include Motion::ActionCableExtentions::LogSuppression
-  end
+class TestChannel < ApplicationCable::Channel
+  include Motion::ActionCableExtentions::LogSuppression
+end
 
+RSpec.describe Motion::ActionCableExtentions::LogSuppression do
   describe TestChannel, type: :channel do
     before(:each) { subscribe }