diff --git a/packages/smithy/goldens/lib/awsJson1_0/pubspec.yaml b/packages/smithy/goldens/lib/awsJson1_0/pubspec.yaml
index bab3ba27a4..6ddca7a54c 100644
--- a/packages/smithy/goldens/lib/awsJson1_0/pubspec.yaml
+++ b/packages/smithy/goldens/lib/awsJson1_0/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   built_collection: ^5.0.0
   shelf_router: ^1.1.0
   shelf: ^1.4.0
@@ -39,6 +39,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib/awsJson1_1/pubspec.yaml b/packages/smithy/goldens/lib/awsJson1_1/pubspec.yaml
index b6ffb036da..cd4e4146ce 100644
--- a/packages/smithy/goldens/lib/awsJson1_1/pubspec.yaml
+++ b/packages/smithy/goldens/lib/awsJson1_1/pubspec.yaml
@@ -15,7 +15,7 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   built_collection: ^5.0.0
   fixnum: ^1.0.0
   shelf_router: ^1.1.0
@@ -42,6 +42,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib/awsQuery/pubspec.yaml b/packages/smithy/goldens/lib/awsQuery/pubspec.yaml
index 75c4dae444..e44b1a8125 100644
--- a/packages/smithy/goldens/lib/awsQuery/pubspec.yaml
+++ b/packages/smithy/goldens/lib/awsQuery/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   built_collection: ^5.0.0
   fixnum: ^1.0.0
   meta: ^1.7.0
@@ -38,6 +38,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib/ec2Query/pubspec.yaml b/packages/smithy/goldens/lib/ec2Query/pubspec.yaml
index 3a7ea01d3a..f8f8928daa 100644
--- a/packages/smithy/goldens/lib/ec2Query/pubspec.yaml
+++ b/packages/smithy/goldens/lib/ec2Query/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   built_collection: ^5.0.0
   fixnum: ^1.0.0
   meta: ^1.7.0
@@ -38,6 +38,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib/restJson1/lib/src/rest_json_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart b/packages/smithy/goldens/lib/restJson1/lib/src/rest_json_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
index 2b35a3d7f0..2843b79b37 100644
--- a/packages/smithy/goldens/lib/restJson1/lib/src/rest_json_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
+++ b/packages/smithy/goldens/lib/restJson1/lib/src/rest_json_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
@@ -13,9 +13,12 @@ import 'package:smithy/smithy.dart' as _i1;
 import 'package:smithy_aws/smithy_aws.dart' as _i2;
 
 /// The example tests how requests serialize different timestamp formats in the URI path.
-class HttpRequestWithLabelsAndTimestampFormatOperation extends _i1
-    .HttpOperation<HttpRequestWithLabelsAndTimestampFormatInputPayload,
-        HttpRequestWithLabelsAndTimestampFormatInput, _i1.Unit, _i1.Unit> {
+class HttpRequestWithLabelsAndTimestampFormatOperation
+    extends _i1.HttpOperation<
+        HttpRequestWithLabelsAndTimestampFormatInputPayload,
+        HttpRequestWithLabelsAndTimestampFormatInput,
+        _i1.Unit,
+        _i1.Unit> {
   /// The example tests how requests serialize different timestamp formats in the URI path.
   HttpRequestWithLabelsAndTimestampFormatOperation({
     required String region,
diff --git a/packages/smithy/goldens/lib/restJson1/lib/src/rest_json_protocol/operation/malformed_content_type_without_body_empty_input_operation.dart b/packages/smithy/goldens/lib/restJson1/lib/src/rest_json_protocol/operation/malformed_content_type_without_body_empty_input_operation.dart
index ab5930f525..d087945c92 100644
--- a/packages/smithy/goldens/lib/restJson1/lib/src/rest_json_protocol/operation/malformed_content_type_without_body_empty_input_operation.dart
+++ b/packages/smithy/goldens/lib/restJson1/lib/src/rest_json_protocol/operation/malformed_content_type_without_body_empty_input_operation.dart
@@ -12,9 +12,12 @@ import 'package:rest_json1_v1/src/rest_json_protocol/model/malformed_content_typ
 import 'package:smithy/smithy.dart' as _i1;
 import 'package:smithy_aws/smithy_aws.dart' as _i2;
 
-class MalformedContentTypeWithoutBodyEmptyInputOperation extends _i1
-    .HttpOperation<MalformedContentTypeWithoutBodyEmptyInputInputPayload,
-        MalformedContentTypeWithoutBodyEmptyInputInput, _i1.Unit, _i1.Unit> {
+class MalformedContentTypeWithoutBodyEmptyInputOperation
+    extends _i1.HttpOperation<
+        MalformedContentTypeWithoutBodyEmptyInputInputPayload,
+        MalformedContentTypeWithoutBodyEmptyInputInput,
+        _i1.Unit,
+        _i1.Unit> {
   MalformedContentTypeWithoutBodyEmptyInputOperation({
     required String region,
     Uri? baseUri,
diff --git a/packages/smithy/goldens/lib/restJson1/pubspec.yaml b/packages/smithy/goldens/lib/restJson1/pubspec.yaml
index b18d06c2ac..fc09c11c37 100644
--- a/packages/smithy/goldens/lib/restJson1/pubspec.yaml
+++ b/packages/smithy/goldens/lib/restJson1/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   fixnum: ^1.0.0
   built_collection: ^5.0.0
   meta: ^1.7.0
@@ -42,6 +42,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib/restXml/lib/src/rest_xml_protocol/model/http_request_with_labels_and_timestamp_format_input.dart b/packages/smithy/goldens/lib/restXml/lib/src/rest_xml_protocol/model/http_request_with_labels_and_timestamp_format_input.dart
index 22f7c0f730..166e01179f 100644
--- a/packages/smithy/goldens/lib/restXml/lib/src/rest_xml_protocol/model/http_request_with_labels_and_timestamp_format_input.dart
+++ b/packages/smithy/goldens/lib/restXml/lib/src/rest_xml_protocol/model/http_request_with_labels_and_timestamp_format_input.dart
@@ -223,8 +223,8 @@ abstract class HttpRequestWithLabelsAndTimestampFormatInputPayload
   }
 }
 
-class HttpRequestWithLabelsAndTimestampFormatInputRestXmlSerializer extends _i1
-    .StructuredSmithySerializer<
+class HttpRequestWithLabelsAndTimestampFormatInputRestXmlSerializer
+    extends _i1.StructuredSmithySerializer<
         HttpRequestWithLabelsAndTimestampFormatInputPayload> {
   const HttpRequestWithLabelsAndTimestampFormatInputRestXmlSerializer()
       : super('HttpRequestWithLabelsAndTimestampFormatInput');
diff --git a/packages/smithy/goldens/lib/restXml/lib/src/rest_xml_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart b/packages/smithy/goldens/lib/restXml/lib/src/rest_xml_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
index 1cd2f9a3d7..1428155eb5 100644
--- a/packages/smithy/goldens/lib/restXml/lib/src/rest_xml_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
+++ b/packages/smithy/goldens/lib/restXml/lib/src/rest_xml_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
@@ -13,9 +13,12 @@ import 'package:smithy/smithy.dart' as _i1;
 import 'package:smithy_aws/smithy_aws.dart' as _i2;
 
 /// The example tests how requests serialize different timestamp formats in the URI path.
-class HttpRequestWithLabelsAndTimestampFormatOperation extends _i1
-    .HttpOperation<HttpRequestWithLabelsAndTimestampFormatInputPayload,
-        HttpRequestWithLabelsAndTimestampFormatInput, _i1.Unit, _i1.Unit> {
+class HttpRequestWithLabelsAndTimestampFormatOperation
+    extends _i1.HttpOperation<
+        HttpRequestWithLabelsAndTimestampFormatInputPayload,
+        HttpRequestWithLabelsAndTimestampFormatInput,
+        _i1.Unit,
+        _i1.Unit> {
   /// The example tests how requests serialize different timestamp formats in the URI path.
   HttpRequestWithLabelsAndTimestampFormatOperation({
     required String region,
diff --git a/packages/smithy/goldens/lib/restXml/pubspec.yaml b/packages/smithy/goldens/lib/restXml/pubspec.yaml
index f457a8cd7b..276cfbfe26 100644
--- a/packages/smithy/goldens/lib/restXml/pubspec.yaml
+++ b/packages/smithy/goldens/lib/restXml/pubspec.yaml
@@ -13,11 +13,11 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   fixnum: ^1.0.0
   built_collection: ^5.0.0
   meta: ^1.7.0
-  xml: 6.3.0
+  xml: ">=6.3.0 <=6.5.0"
   shelf_router: ^1.1.0
   shelf: ^1.4.0
   aws_signature_v4:
@@ -43,6 +43,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib/restXmlWithNamespace/pubspec.yaml b/packages/smithy/goldens/lib/restXmlWithNamespace/pubspec.yaml
index 57c73814fd..defa92a479 100644
--- a/packages/smithy/goldens/lib/restXmlWithNamespace/pubspec.yaml
+++ b/packages/smithy/goldens/lib/restXmlWithNamespace/pubspec.yaml
@@ -13,8 +13,8 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
-  xml: 6.3.0
+  built_value: ">=8.6.0 <8.9.0"
+  xml: ">=6.3.0 <=6.5.0"
   fixnum: ^1.0.0
   meta: ^1.7.0
   built_collection: ^5.0.0
@@ -41,6 +41,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib2/awsJson1_0/pubspec.yaml b/packages/smithy/goldens/lib2/awsJson1_0/pubspec.yaml
index 8c5b529ee9..45b0cb8e37 100644
--- a/packages/smithy/goldens/lib2/awsJson1_0/pubspec.yaml
+++ b/packages/smithy/goldens/lib2/awsJson1_0/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   built_collection: ^5.0.0
   shelf_router: ^1.1.0
   shelf: ^1.4.0
@@ -39,6 +39,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib2/awsJson1_1/pubspec.yaml b/packages/smithy/goldens/lib2/awsJson1_1/pubspec.yaml
index 0013d22415..4b2378c3fd 100644
--- a/packages/smithy/goldens/lib2/awsJson1_1/pubspec.yaml
+++ b/packages/smithy/goldens/lib2/awsJson1_1/pubspec.yaml
@@ -15,7 +15,7 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   built_collection: ^5.0.0
   fixnum: ^1.0.0
   shelf_router: ^1.1.0
@@ -42,6 +42,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib2/awsQuery/pubspec.yaml b/packages/smithy/goldens/lib2/awsQuery/pubspec.yaml
index d847ace1d8..825df0c433 100644
--- a/packages/smithy/goldens/lib2/awsQuery/pubspec.yaml
+++ b/packages/smithy/goldens/lib2/awsQuery/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   built_collection: ^5.0.0
   fixnum: ^1.0.0
   meta: ^1.7.0
@@ -38,6 +38,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib2/custom/pubspec.yaml b/packages/smithy/goldens/lib2/custom/pubspec.yaml
index bf526f2b4f..050f256df3 100644
--- a/packages/smithy/goldens/lib2/custom/pubspec.yaml
+++ b/packages/smithy/goldens/lib2/custom/pubspec.yaml
@@ -15,7 +15,7 @@ dependencies:
     path: ../../../../aws_signature_v4
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   meta: ^1.7.0
   built_collection: ^5.0.0
   shelf_router: ^1.1.0
@@ -41,6 +41,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib2/ec2Query/pubspec.yaml b/packages/smithy/goldens/lib2/ec2Query/pubspec.yaml
index 6f71d46cd7..fcd24fc3cf 100644
--- a/packages/smithy/goldens/lib2/ec2Query/pubspec.yaml
+++ b/packages/smithy/goldens/lib2/ec2Query/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   built_collection: ^5.0.0
   fixnum: ^1.0.0
   meta: ^1.7.0
@@ -38,6 +38,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib2/restJson1/lib/src/rest_json_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart b/packages/smithy/goldens/lib2/restJson1/lib/src/rest_json_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
index 5c6e34f8d7..322a14f819 100644
--- a/packages/smithy/goldens/lib2/restJson1/lib/src/rest_json_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
+++ b/packages/smithy/goldens/lib2/restJson1/lib/src/rest_json_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
@@ -13,9 +13,12 @@ import 'package:smithy/smithy.dart' as _i1;
 import 'package:smithy_aws/smithy_aws.dart' as _i2;
 
 /// The example tests how requests serialize different timestamp formats in the URI path.
-class HttpRequestWithLabelsAndTimestampFormatOperation extends _i1
-    .HttpOperation<HttpRequestWithLabelsAndTimestampFormatInputPayload,
-        HttpRequestWithLabelsAndTimestampFormatInput, _i1.Unit, _i1.Unit> {
+class HttpRequestWithLabelsAndTimestampFormatOperation
+    extends _i1.HttpOperation<
+        HttpRequestWithLabelsAndTimestampFormatInputPayload,
+        HttpRequestWithLabelsAndTimestampFormatInput,
+        _i1.Unit,
+        _i1.Unit> {
   /// The example tests how requests serialize different timestamp formats in the URI path.
   HttpRequestWithLabelsAndTimestampFormatOperation({
     required String region,
diff --git a/packages/smithy/goldens/lib2/restJson1/lib/src/rest_json_protocol/operation/malformed_content_type_without_body_empty_input_operation.dart b/packages/smithy/goldens/lib2/restJson1/lib/src/rest_json_protocol/operation/malformed_content_type_without_body_empty_input_operation.dart
index 6a51c3afc0..1ba66c95df 100644
--- a/packages/smithy/goldens/lib2/restJson1/lib/src/rest_json_protocol/operation/malformed_content_type_without_body_empty_input_operation.dart
+++ b/packages/smithy/goldens/lib2/restJson1/lib/src/rest_json_protocol/operation/malformed_content_type_without_body_empty_input_operation.dart
@@ -12,9 +12,12 @@ import 'package:rest_json1_v2/src/rest_json_protocol/model/malformed_content_typ
 import 'package:smithy/smithy.dart' as _i1;
 import 'package:smithy_aws/smithy_aws.dart' as _i2;
 
-class MalformedContentTypeWithoutBodyEmptyInputOperation extends _i1
-    .HttpOperation<MalformedContentTypeWithoutBodyEmptyInputInputPayload,
-        MalformedContentTypeWithoutBodyEmptyInputInput, _i1.Unit, _i1.Unit> {
+class MalformedContentTypeWithoutBodyEmptyInputOperation
+    extends _i1.HttpOperation<
+        MalformedContentTypeWithoutBodyEmptyInputInputPayload,
+        MalformedContentTypeWithoutBodyEmptyInputInput,
+        _i1.Unit,
+        _i1.Unit> {
   MalformedContentTypeWithoutBodyEmptyInputOperation({
     required String region,
     Uri? baseUri,
diff --git a/packages/smithy/goldens/lib2/restJson1/pubspec.yaml b/packages/smithy/goldens/lib2/restJson1/pubspec.yaml
index bd50ac2441..14972c8c9e 100644
--- a/packages/smithy/goldens/lib2/restJson1/pubspec.yaml
+++ b/packages/smithy/goldens/lib2/restJson1/pubspec.yaml
@@ -13,7 +13,7 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   fixnum: ^1.0.0
   built_collection: ^5.0.0
   meta: ^1.7.0
@@ -42,6 +42,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib2/restXml/lib/src/rest_xml_protocol/model/http_request_with_labels_and_timestamp_format_input.dart b/packages/smithy/goldens/lib2/restXml/lib/src/rest_xml_protocol/model/http_request_with_labels_and_timestamp_format_input.dart
index 5ca5c2253e..58c6397e27 100644
--- a/packages/smithy/goldens/lib2/restXml/lib/src/rest_xml_protocol/model/http_request_with_labels_and_timestamp_format_input.dart
+++ b/packages/smithy/goldens/lib2/restXml/lib/src/rest_xml_protocol/model/http_request_with_labels_and_timestamp_format_input.dart
@@ -223,8 +223,8 @@ abstract class HttpRequestWithLabelsAndTimestampFormatInputPayload
   }
 }
 
-class HttpRequestWithLabelsAndTimestampFormatInputRestXmlSerializer extends _i1
-    .StructuredSmithySerializer<
+class HttpRequestWithLabelsAndTimestampFormatInputRestXmlSerializer
+    extends _i1.StructuredSmithySerializer<
         HttpRequestWithLabelsAndTimestampFormatInputPayload> {
   const HttpRequestWithLabelsAndTimestampFormatInputRestXmlSerializer()
       : super('HttpRequestWithLabelsAndTimestampFormatInput');
diff --git a/packages/smithy/goldens/lib2/restXml/lib/src/rest_xml_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart b/packages/smithy/goldens/lib2/restXml/lib/src/rest_xml_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
index 4b9a7e9b4b..c49465ccf6 100644
--- a/packages/smithy/goldens/lib2/restXml/lib/src/rest_xml_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
+++ b/packages/smithy/goldens/lib2/restXml/lib/src/rest_xml_protocol/operation/http_request_with_labels_and_timestamp_format_operation.dart
@@ -13,9 +13,12 @@ import 'package:smithy/smithy.dart' as _i1;
 import 'package:smithy_aws/smithy_aws.dart' as _i2;
 
 /// The example tests how requests serialize different timestamp formats in the URI path.
-class HttpRequestWithLabelsAndTimestampFormatOperation extends _i1
-    .HttpOperation<HttpRequestWithLabelsAndTimestampFormatInputPayload,
-        HttpRequestWithLabelsAndTimestampFormatInput, _i1.Unit, _i1.Unit> {
+class HttpRequestWithLabelsAndTimestampFormatOperation
+    extends _i1.HttpOperation<
+        HttpRequestWithLabelsAndTimestampFormatInputPayload,
+        HttpRequestWithLabelsAndTimestampFormatInput,
+        _i1.Unit,
+        _i1.Unit> {
   /// The example tests how requests serialize different timestamp formats in the URI path.
   HttpRequestWithLabelsAndTimestampFormatOperation({
     required String region,
diff --git a/packages/smithy/goldens/lib2/restXml/pubspec.yaml b/packages/smithy/goldens/lib2/restXml/pubspec.yaml
index 49a1810578..d5ca170db3 100644
--- a/packages/smithy/goldens/lib2/restXml/pubspec.yaml
+++ b/packages/smithy/goldens/lib2/restXml/pubspec.yaml
@@ -13,11 +13,11 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
+  built_value: ">=8.6.0 <8.9.0"
   fixnum: ^1.0.0
   built_collection: ^5.0.0
   meta: ^1.7.0
-  xml: 6.3.0
+  xml: ">=6.3.0 <=6.5.0"
   shelf_router: ^1.1.0
   shelf: ^1.4.0
   aws_signature_v4:
@@ -43,6 +43,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/smithy/goldens/lib2/restXmlWithNamespace/pubspec.yaml b/packages/smithy/goldens/lib2/restXmlWithNamespace/pubspec.yaml
index f00a3f0a3a..7d1145ac7a 100644
--- a/packages/smithy/goldens/lib2/restXmlWithNamespace/pubspec.yaml
+++ b/packages/smithy/goldens/lib2/restXmlWithNamespace/pubspec.yaml
@@ -13,8 +13,8 @@ dependencies:
     path: ../../../smithy_aws
   aws_common:
     path: ../../../../aws_common
-  built_value: ">=8.6.0 <8.7.0"
-  xml: 6.3.0
+  built_value: ">=8.6.0 <8.9.0"
+  xml: ">=6.3.0 <=6.5.0"
   fixnum: ^1.0.0
   meta: ^1.7.0
   built_collection: ^5.0.0
@@ -41,6 +41,6 @@ dev_dependencies:
   build_runner: ^2.4.0
   build_web_compilers: ^4.0.0
   build_test: ^2.1.5
-  built_value_generator: 8.6.1
+  built_value_generator: 8.8.1
   lints: ^2.1.0
   test: ^1.22.1
diff --git a/packages/test/amplify_integration_test/pubspec.yaml b/packages/test/amplify_integration_test/pubspec.yaml
index 520a0c8839..20acd50919 100644
--- a/packages/test/amplify_integration_test/pubspec.yaml
+++ b/packages/test/amplify_integration_test/pubspec.yaml
@@ -15,7 +15,7 @@ dependencies:
   aws_common: any
   aws_signature_v4: any
   built_collection: ^5.0.0
-  built_value: ">=8.6.0 <8.8.0"
+  built_value: ">=8.6.0 <8.9.0"
   collection: ^1.15.0
   meta: ^1.8.0
   smithy: any
@@ -26,4 +26,4 @@ dependencies:
 dev_dependencies:
   amplify_lints: ^2.0.0
   build_runner: ^2.4.0
-  built_value_generator: 8.7.0
+  built_value_generator: 8.8.1
diff --git a/packages/test/pub_server/pubspec.yaml b/packages/test/pub_server/pubspec.yaml
index 631a81c3b2..eb365b4894 100644
--- a/packages/test/pub_server/pubspec.yaml
+++ b/packages/test/pub_server/pubspec.yaml
@@ -14,7 +14,7 @@ dependencies:
   async: ^2.10.0
   aws_common: any
   collection: ^1.15.0
-  drift: ">=2.12.0 <2.13.0"
+  drift: ">=2.14.0 <2.15.0"
   file: ">=6.0.0 <8.0.0"
   git: ^2.2.0
   graphs: ^2.1.0
@@ -31,7 +31,7 @@ dependencies:
 dev_dependencies:
   amplify_lints: ">=2.0.3 <2.1.0"
   build_runner: ^2.4.0
-  drift_dev: ">=2.12.0 <2.13.0"
+  drift_dev: ">=2.14.0 <2.15.0"
   json_serializable: 6.7.1
   pub_api_client: ^2.4.0
   shelf_router_generator: ^1.0.5