diff --git a/rpush.gemspec b/rpush.gemspec
index 9ad58e7c..cdd42448 100644
--- a/rpush.gemspec
+++ b/rpush.gemspec
@@ -36,7 +36,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'net-http-persistent'
   s.add_runtime_dependency 'net-http2', '~> 0.18', '>= 0.18.3'
   s.add_runtime_dependency 'jwt', '>= 1.5.6'
-  s.add_runtime_dependency 'activesupport', '>= 5.2', '< 7.1.0'
+  s.add_runtime_dependency 'activesupport', '>= 5.1'
   s.add_runtime_dependency 'thor', ['>= 0.18.1', '< 2.0']
   s.add_runtime_dependency 'railties'
   s.add_runtime_dependency 'rainbow'