diff --git a/sensu-plugins-elasticsearch.gemspec b/sensu-plugins-elasticsearch.gemspec
index d819ae6..930bec3 100644
--- a/sensu-plugins-elasticsearch.gemspec
+++ b/sensu-plugins-elasticsearch.gemspec
@@ -34,7 +34,7 @@ Gem::Specification.new do |s| # rubocop:disable Metrics/BlockLength
 
   s.add_runtime_dependency 'aws-es-transport', '~> 0.1'
   s.add_runtime_dependency 'aws-sdk', ['>= 2.1.14', '< 2.5', '~> 2.1']
-  s.add_runtime_dependency 'elasticsearch',     '~> 1.0.14'
+  s.add_runtime_dependency 'elasticsearch',     '>= 1.0.14', '< 7.5.0'
   s.add_runtime_dependency 'rest-client', '2.1.0'
   s.add_runtime_dependency 'sensu-plugin', '~> 4.0'