diff --git a/dyndnsd.gemspec b/dyndnsd.gemspec
index b70ac7c..8de8bc7 100644
--- a/dyndnsd.gemspec
+++ b/dyndnsd.gemspec
@@ -30,7 +30,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'async-dns', '~> 1.3.0'
   s.add_runtime_dependency 'metriks'
   s.add_runtime_dependency 'opentelemetry-exporter-jaeger', '~> 0.20.0'
-  s.add_runtime_dependency 'opentelemetry-instrumentation-rack', '~> 0.19.0'
+  s.add_runtime_dependency 'opentelemetry-instrumentation-rack', '~> 0.20.0'
   s.add_runtime_dependency 'opentelemetry-sdk', '~> 1.0.0.rc2'
   s.add_runtime_dependency 'rack', '~> 2.0'
   s.add_runtime_dependency 'webrick', '>= 1.6.1'