diff --git a/crawler_detect.gemspec b/crawler_detect.gemspec
index 2583cc4..97ae6e2 100644
--- a/crawler_detect.gemspec
+++ b/crawler_detect.gemspec
@@ -27,7 +27,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "qonfig", "~> 0.28"
 
   spec.add_development_dependency "activesupport", "~> 7.1"
-  spec.add_development_dependency "bundler", "~> 2.5"
+  spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "fuubar", "~> 2.5"
   spec.add_development_dependency "parallel_tests", "~> 4.5"
   spec.add_development_dependency "pry-meta", "~> 0.0.10"