diff --git a/the_moderator.gemspec b/the_moderator.gemspec
index de1cb84..d6b6f90 100644
--- a/the_moderator.gemspec
+++ b/the_moderator.gemspec
@@ -18,9 +18,9 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "activemodel", ">= 3.2.0", "< 5.0"
-  spec.add_dependency "activerecord", ">= 3.2.0", "< 5.0"
-  spec.add_dependency "activesupport", ">= 3.2.0", "< 5.0"
+  spec.add_dependency "activemodel", ">= 3.2.0", "< 5.2"
+  spec.add_dependency "activerecord", ">= 3.2.0", "< 5.2"
+  spec.add_dependency "activesupport", ">= 3.2.0", "< 5.2"
 
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake", "~> 10.3"