diff --git a/rudder-sdk-ruby.gemspec b/rudder-sdk-ruby.gemspec
index 5b90215..c9cdc6e 100644
--- a/rudder-sdk-ruby.gemspec
+++ b/rudder-sdk-ruby.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   # Used in specs
   spec.add_development_dependency 'rake', '~> 10.3'
   spec.add_development_dependency 'rspec', '~> 3.0'
-  spec.add_development_dependency 'tzinfo', '1.2.1'
+  spec.add_development_dependency 'tzinfo', '1.2.11'
   spec.add_development_dependency 'activesupport', '~> 6.0.2'
   if RUBY_VERSION >= '2.0' && RUBY_PLATFORM != 'java'
     spec.add_development_dependency 'oj', '~> 3.6.2'