diff --git a/examples/spec/helpers.rb b/examples/spec/helpers.rb
index 4d6d9a20..b5f32504 100644
--- a/examples/spec/helpers.rb
+++ b/examples/spec/helpers.rb
@@ -33,4 +33,8 @@ def fetch_history(workflow_id, run_id, options = {})
       }.merge(options)
     )
   end
+
+  def integration_spec_namespace
+    ENV.fetch('TEMPORAL_NAMESPACE', 'ruby-samples')
+  end
 end
diff --git a/examples/spec/integration/describe_namespace_spec.rb b/examples/spec/integration/describe_namespace_spec.rb
index 86501f7b..d042190e 100644
--- a/examples/spec/integration/describe_namespace_spec.rb
+++ b/examples/spec/integration/describe_namespace_spec.rb
@@ -1,16 +1,19 @@
 require 'temporal/errors'
 
-describe 'Temporal.describe_namespace' do
+describe 'Temporal.describe_namespace', :integration do
   it 'returns a value' do
-    description = 'Namespace for temporal-ruby integration test'
+    namespace = integration_spec_namespace
+    rescued = false
     begin
-      Temporal.register_namespace('a_test_namespace', description)
+      Temporal.register_namespace(namespace)
     rescue Temporal::NamespaceAlreadyExistsFailure
+      rescued = true
     end
-    result = Temporal.describe_namespace('a_test_namespace')
+    expect(rescued).to eq(true)
+    result = Temporal.describe_namespace(namespace)
     expect(result).to be_an_instance_of(Temporal::Api::WorkflowService::V1::DescribeNamespaceResponse)
-    expect(result.namespace_info.name).to eq('a_test_namespace')
+    expect(result.namespace_info.name).to eq(namespace)
     expect(result.namespace_info.state).to eq(:NAMESPACE_STATE_REGISTERED)
-    expect(result.namespace_info.description).to eq(description)
+    expect(result.namespace_info.description).to_not eq(nil)
   end
 end
diff --git a/examples/spec/integration/metadata_workflow_spec.rb b/examples/spec/integration/metadata_workflow_spec.rb
index ac828e01..508c3af8 100644
--- a/examples/spec/integration/metadata_workflow_spec.rb
+++ b/examples/spec/integration/metadata_workflow_spec.rb
@@ -1,6 +1,6 @@
 require 'workflows/metadata_workflow'
 
-describe MetadataWorkflow do
+describe MetadataWorkflow, :integration do
   subject { described_class }
 
   it 'gets task queue from running workflow' do
@@ -66,7 +66,7 @@
     expect(actual_result.memo['foo']).to eq('bar')
 
     expect(Temporal.fetch_workflow_execution_info(
-      'ruby-samples', workflow_id, nil
+      integration_spec_namespace, workflow_id, nil
     ).memo).to eq({ 'foo' => 'bar' })
   end
 
@@ -85,7 +85,7 @@
     )
     expect(actual_result.memo).to eq({})
     expect(Temporal.fetch_workflow_execution_info(
-      'ruby-samples', workflow_id, nil
+      integration_spec_namespace, workflow_id, nil
     ).memo).to eq({})
   end
 end