diff --git a/glueby.gemspec b/glueby.gemspec
index ab5c941..6934af7 100644
--- a/glueby.gemspec
+++ b/glueby.gemspec
@@ -27,9 +27,9 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_runtime_dependency 'tapyrus', '>= 0.3.1'
-  spec.add_runtime_dependency 'activerecord', '~> 7.0.0'
+  spec.add_runtime_dependency 'activerecord', '>= 7.0', '< 8.0'
   spec.add_runtime_dependency 'kaminari'
   spec.add_development_dependency 'sqlite3'
   spec.add_development_dependency 'mysql2'
-  spec.add_development_dependency 'rails', '~> 7.0.0'
+  spec.add_development_dependency 'rails', '>= 7.0', '< 8.0'
 end