diff --git a/openfeature-provider/mixpanel-ruby-openfeature.gemspec b/openfeature-provider/mixpanel-ruby-openfeature.gemspec
index 79cdb10..7d7bf75 100644
--- a/openfeature-provider/mixpanel-ruby-openfeature.gemspec
+++ b/openfeature-provider/mixpanel-ruby-openfeature.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_runtime_dependency 'openfeature-sdk', '~> 0.5'
-  spec.add_runtime_dependency 'mixpanel-ruby', '~> 3.1'
+  spec.add_runtime_dependency 'mixpanel-ruby', '~> 3.3'
 
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'simplecov'