diff --git a/Appraisals b/Appraisals
index a8d6497..6773b64 100644
--- a/Appraisals
+++ b/Appraisals
@@ -34,3 +34,9 @@ appraise "activerecord_6_1" do
   gem "activesupport", "~> 6.1.0"
   gem "pg", "~> 1.1"
 end
+
+appraise "activerecord_7_0" do
+  gem "activerecord",  "~> 7.0"
+  gem "activesupport", "~> 7.0"
+  gem "pg", "~> 1.1"
+end
diff --git a/crypt_keeper.gemspec b/crypt_keeper.gemspec
index 325fdcf..0fdb447 100644
--- a/crypt_keeper.gemspec
+++ b/crypt_keeper.gemspec
@@ -18,8 +18,8 @@ Gem::Specification.new do |gem|
 
   gem.post_install_message = "WARNING: CryptKeeper 2.0 contains breaking changes and may require you to reencrypt your data! Please view the README at https://github.com/jmazzi/crypt_keeper for more information."
 
-  gem.add_runtime_dependency 'activerecord',  '>= 4.2', '< 6.2'
-  gem.add_runtime_dependency 'activesupport', '>= 4.2', '< 6.2'
+  gem.add_runtime_dependency 'activerecord',  '>= 4.2', '<= 7'
+  gem.add_runtime_dependency 'activesupport', '>= 4.2', '<= 7'
 
   gem.add_development_dependency 'rspec',       '~> 3.5.0'
   gem.add_development_dependency 'guard',       '~> 2.6.1'
diff --git a/gemfiles/activerecord_7_0.gemfile b/gemfiles/activerecord_7_0.gemfile
new file mode 100644
index 0000000..ea40221
--- /dev/null
+++ b/gemfiles/activerecord_7_0.gemfile
@@ -0,0 +1,9 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "activerecord", "~> 7.0"
+gem "activesupport", "~> 7.0"
+gem "pg", "~> 1.1"
+
+gemspec :path => "../"