diff --git a/sensu-plugins-postgres.gemspec b/sensu-plugins-postgres.gemspec
index 98d4299..c11d9e1 100644
--- a/sensu-plugins-postgres.gemspec
+++ b/sensu-plugins-postgres.gemspec
@@ -38,7 +38,7 @@ Gem::Specification.new do |s|
 
   s.add_runtime_dependency 'sensu-plugin', '~> 4.0'
 
-  s.add_runtime_dependency 'dentaku',      '3.4.2'
+  s.add_runtime_dependency 'dentaku',      '3.5.0'
   s.add_runtime_dependency 'pg',           '1.2.3'
 
   s.add_development_dependency 'bundler',                   '~> 2.1'