diff --git a/nostr.gemspec b/nostr.gemspec
index 30b8677..fdc85d1 100644
--- a/nostr.gemspec
+++ b/nostr.gemspec
@@ -50,14 +50,14 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'puma', '~> 6.3'
   spec.add_development_dependency 'rack', '~> 3.0'
   spec.add_development_dependency 'rake', '~> 13.0'
-  spec.add_development_dependency 'rbs', '~> 2.8'
+  spec.add_development_dependency 'rbs', '~> 3.3'
   spec.add_development_dependency 'rspec', '~> 3.12'
   spec.add_development_dependency 'rubocop', '~> 1.42'
   spec.add_development_dependency 'rubocop-rake', '~> 0.6'
   spec.add_development_dependency 'rubocop-rspec', '2.16'
   spec.add_development_dependency 'simplecov', '= 0.17'
   spec.add_development_dependency 'simplecov-console', '~> 0.9'
-  spec.add_development_dependency 'steep', '~> 1.3'
+  spec.add_development_dependency 'steep', '~> 1.6'
   spec.add_development_dependency 'typeprof', '~> 0.21'
   spec.add_development_dependency 'yard', '~> 0.9'
   spec.add_development_dependency 'yard-junk', '~> 0.0.9'