diff --git a/lib/bundler/bundler.gemspec b/lib/bundler/bundler.gemspec
index 70083c0074..0b1b64e428 100644
--- a/lib/bundler/bundler.gemspec
+++ b/lib/bundler/bundler.gemspec
@@ -39,7 +39,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "ronn",       "~> 0.7.3"
   s.add_development_dependency "rspec",      "~> 3.6"
   s.add_development_dependency "rubocop",    "= 0.71.0"
-  s.add_development_dependency "rubocop-performance", "~> 1.1"
+  s.add_development_dependency "rubocop-performance", "= 1.4.0"
 
   # s.files = Dir.glob("{lib,exe}/**/*", File::FNM_DOTMATCH).reject {|f| File.directory?(f) }