diff --git a/openstudio-standards.gemspec b/openstudio-standards.gemspec
index 09b10705b6..270c251f50 100644
--- a/openstudio-standards.gemspec
+++ b/openstudio-standards.gemspec
@@ -32,7 +32,7 @@ Gem::Specification.new do |spec|
   else
     spec.add_development_dependency 'parallel_tests', '~> 3.7.0'
     spec.add_development_dependency 'nokogiri', '~> 1.11'
-    spec.add_development_dependency 'bundler', '~> 2.2'
+    spec.add_development_dependency 'bundler', '~> 2.1.4'
   end
   spec.add_development_dependency 'rake', '~> 12.3.1'
   spec.add_development_dependency 'yard', '~> 0.9'