diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2c33c80..f4d8d4b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,6 +24,7 @@ jobs:
         gemfile:
           - rack_2
           - rack_1
+          - rails_7_0
           - rails_6_1
           - rails_6_0
           - rails_5_2
@@ -50,6 +51,10 @@ jobs:
             ruby: 2.7.4
           - gemfile: rails_4_2
             ruby: 2.7.4
+          - gemfile: rails_7_0
+            ruby: 2.6.8
+          - gemfile: rails_7_0
+            ruby: 2.5.8
     env:
       BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
diff --git a/Appraisals b/Appraisals
index 3b546fb..60a9d17 100644
--- a/Appraisals
+++ b/Appraisals
@@ -17,6 +17,11 @@ appraise "rack_1" do
   gem "rack-test", ">= 0.6"
 end
 
+appraise 'rails_7-0' do
+  gem 'railties', '~> 7.0.0.a'
+  gem 'dalli', '~> 3.0'
+end
+
 appraise 'rails_6-1' do
   gem 'railties', '~> 6.1.0'
 end
diff --git a/gemfiles/rails_7_0.gemfile b/gemfiles/rails_7_0.gemfile
new file mode 100644
index 0000000..dafcdac
--- /dev/null
+++ b/gemfiles/rails_7_0.gemfile
@@ -0,0 +1,8 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "railties", "~> 7.0.0.a"
+gem "dalli", "~> 3.0"
+
+gemspec path: "../"
diff --git a/lib/rack/attack/store_proxy/mem_cache_store_proxy.rb b/lib/rack/attack/store_proxy/mem_cache_store_proxy.rb
index 122037f..f7b66c9 100644
--- a/lib/rack/attack/store_proxy/mem_cache_store_proxy.rb
+++ b/lib/rack/attack/store_proxy/mem_cache_store_proxy.rb
@@ -12,6 +12,10 @@ module Rack
             store.is_a?(::ActiveSupport::Cache::MemCacheStore)
         end
 
+        def read(name, options = {})
+          super(name, options.merge!(raw: true))
+        end
+
         def write(name, value, options = {})
           super(name, value, options.merge!(raw: true))
         end
diff --git a/rack-attack.gemspec b/rack-attack.gemspec
index 75ca531..11e72f9 100644
--- a/rack-attack.gemspec
+++ b/rack-attack.gemspec
@@ -46,5 +46,5 @@ Gem::Specification.new do |s|
     s.add_development_dependency 'byebug', '~> 11.0'
   end
 
-  s.add_development_dependency 'railties', '>= 4.2', '< 6.2'
+  s.add_development_dependency 'railties', '>= 4.2', '< 7.1'
 end