diff --git a/devcycle-ruby-server-sdk.gemspec b/devcycle-ruby-server-sdk.gemspec
index 58c523b..f6fe177 100644
--- a/devcycle-ruby-server-sdk.gemspec
+++ b/devcycle-ruby-server-sdk.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'concurrent-ruby', '>= 1.2', '< 1.4'
   s.add_runtime_dependency 'sorbet-runtime', '>= 0.5.11481'
   s.add_runtime_dependency 'oj', '~> 3.0'
-  s.add_runtime_dependency 'google-protobuf', '~> 3.22'
+  s.add_runtime_dependency 'google-protobuf', '>= 3.22', '< 5.0'
   s.add_runtime_dependency 'ld-eventsource', '~> 2.2.3'
   s.add_runtime_dependency 'openfeature-sdk', '~> 0.4.1'