diff --git a/google-cloud-storage/lib/google/cloud/storage/service.rb b/google-cloud-storage/lib/google/cloud/storage/service.rb
index fd87490a5c62..52410e3a3609 100644
--- a/google-cloud-storage/lib/google/cloud/storage/service.rb
+++ b/google-cloud-storage/lib/google/cloud/storage/service.rb
@@ -72,6 +72,7 @@ def initialize project, credentials, retries: nil,
           @service.request_options.multiplier = multiplier if multiplier
           @service.request_options.add_invocation_id_header = true
           @service.request_options.upload_chunk_size = upload_chunk_size if upload_chunk_size
+          @service.request_options.add_idempotency_token_header = true
           @service.authorization = @credentials.client if @credentials
           @service.root_url = host if host
           @service.universe_domain = universe_domain || Google::Cloud::Storage.configure.universe_domain
diff --git a/google-cloud-storage/test/google/cloud/storage/project_test.rb b/google-cloud-storage/test/google/cloud/storage/project_test.rb
index c07bff384157..1383a2374cec 100644
--- a/google-cloud-storage/test/google/cloud/storage/project_test.rb
+++ b/google-cloud-storage/test/google/cloud/storage/project_test.rb
@@ -67,6 +67,13 @@ def creds.is_a? target
     _(project.universe_domain).must_equal "googleapis.com"
   end
 
+  it "enables invocation id and idempotency token header request options by default" do
+    service = Google::Cloud::Storage::Service.new "my-project", default_credentials
+    _(service.service.request_options.add_invocation_id_header).must_equal true
+    _(service.service.request_options.add_idempotency_token_header).must_equal true
+  end
+
+  
   it "supports setting a universe domain argument" do
     service = Google::Cloud::Storage::Service.new "my-project", default_credentials, universe_domain: "mydomain1.com"
     _(service.universe_domain).must_equal "mydomain1.com"