diff --git a/rspec_api_documentation.gemspec b/rspec_api_documentation.gemspec
index 978b3bf0..6ce8f0ae 100644
--- a/rspec_api_documentation.gemspec
+++ b/rspec_api_documentation.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency "mustache", "~> 1.0", ">= 0.99.4"
 
   s.add_development_dependency "bundler", ">= 1.16"
-  s.add_development_dependency "fakefs", "~> 0.6.0"
+  s.add_development_dependency "fakefs", "~> 2.5.0"
   s.add_development_dependency "sinatra", "~> 2.0.8"
   s.add_development_dependency "aruba", "~> 0.14.14"
   s.add_development_dependency "capybara", "~> 3.39.2"