diff --git a/schleuder-cli.gemspec b/schleuder-cli.gemspec
index 34864f2f8bd81ff3e92d9182248d94dbd859ac4e..53d57f18b9aea49f79daa0cbed77fce028617ddb 100644
--- a/schleuder-cli.gemspec
+++ b/schleuder-cli.gemspec
@@ -24,5 +24,5 @@ Gem::Specification.new do |s|
   if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.3.0")
     s.add_runtime_dependency 'base64', '~> 0.2.0'
   end
-  s.add_development_dependency 'rspec', '~> 3.5.0'
+  s.add_development_dependency 'rspec', '~> 3.13'
 end