diff --git a/Gemfile b/Gemfile
index ebacb84..3be3835 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,3 +2,8 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in csv2db.gemspec
 gemspec
+
+# Used for testing
+gem 'activerecord', '~> 7.0.0'
+gem 'activesupport', '~> 7.0.0'
+gem 'railties', '~> 7.0.0'
diff --git a/csv2db.gemspec b/csv2db.gemspec
index 087c5ce..20b73d7 100644
--- a/csv2db.gemspec
+++ b/csv2db.gemspec
@@ -33,11 +33,11 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'activerecord', '>= 4.2', '< 7.1'
-  spec.add_dependency 'activesupport', '>= 4.2', '< 7.1'
+  spec.add_dependency 'activerecord', '>= 4.2'
+  spec.add_dependency 'activesupport', '>= 4.2'
   spec.add_dependency 'charlock_holmes', '~> 0.7.3'
   spec.add_dependency 'dragonfly', '~> 1'
-  spec.add_dependency 'railties', '>= 4.2', '< 7.1'
+  spec.add_dependency 'railties', '>= 4.2'
   spec.add_dependency 'sidekiq', '>= 3'
 
   spec.add_development_dependency 'bundler', '>= 2.2.18', '< 3'
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index a430d43..2748055 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -20,7 +20,7 @@ endgroup
 
 group "bundle install"
 
-bundle install \
+bundle _2.4.22_ install \
   --jobs "$(getconf _NPROCESSORS_ONLN)" \
   --retry 2