diff --git a/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec b/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec
index 18c6bcf914..167151a97d 100644
--- a/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec
+++ b/instrumentation/grpc/opentelemetry-instrumentation-grpc.gemspec
@@ -38,9 +38,9 @@ Gem::Specification.new do |spec|
   # guide at: https://bundler.io/guides/creating_gem.html
 
   if spec.respond_to?(:metadata)
-    spec.metadata['changelog_uri'] = "https://open-telemetry.github.io/opentelemetry-ruby-contrib/opentelemetry-instrumentation-grpc/v#{OpenTelemetry::Instrumentation::Grpc::VERSION}/file.CHANGELOG.html"
+    spec.metadata['changelog_uri'] = "https://rubydoc.info/gems/#{spec.name}/#{spec.version}/file/CHANGELOG.md"
     spec.metadata['source_code_uri'] = "https://github.com/open-telemetry/opentelemetry-ruby-contrib/tree/#{spec.name}/v#{spec.version}/instrumentation/grpc"
     spec.metadata['bug_tracker_uri'] = 'https://github.com/open-telemetry/opentelemetry-ruby-contrib/issues'
-    spec.metadata['documentation_uri'] = "https://open-telemetry.github.io/opentelemetry-ruby-contrib/opentelemetry-instrumentation-grpc/v#{OpenTelemetry::Instrumentation::Grpc::VERSION}"
+    spec.metadata['documentation_uri'] = "https://rubydoc.info/gems/#{spec.name}/#{spec.version}"
   end
 end
diff --git a/instrumentation/gruf/opentelemetry-instrumentation-gruf.gemspec b/instrumentation/gruf/opentelemetry-instrumentation-gruf.gemspec
index 7be1fea024..a06ee7783a 100644
--- a/instrumentation/gruf/opentelemetry-instrumentation-gruf.gemspec
+++ b/instrumentation/gruf/opentelemetry-instrumentation-gruf.gemspec
@@ -28,9 +28,9 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'opentelemetry-instrumentation-base', '~> 0.25'
 
   if spec.respond_to?(:metadata)
-    spec.metadata['changelog_uri'] = "https://open-telemetry.github.io/opentelemetry-ruby-contrib/opentelemetry-instrumentation-gruf/v#{OpenTelemetry::Instrumentation::Gruf::VERSION}/file.CHANGELOG.html"
+    spec.metadata['changelog_uri'] = "https://rubydoc.info/gems/#{spec.name}/#{spec.version}/file/CHANGELOG.md"
     spec.metadata['source_code_uri'] = "https://github.com/open-telemetry/opentelemetry-ruby-contrib/tree/#{spec.name}/v#{spec.version}/instrumentation/gruf"
     spec.metadata['bug_tracker_uri'] = 'https://github.com/open-telemetry/opentelemetry-ruby-contrib/issues'
-    spec.metadata['documentation_uri'] = "https://open-telemetry.github.io/opentelemetry-ruby-contrib/opentelemetry-instrumentation-gruf/v#{OpenTelemetry::Instrumentation::Gruf::VERSION}"
+    spec.metadata['documentation_uri'] = "https://rubydoc.info/gems/#{spec.name}/#{spec.version}"
   end
 end