diff --git a/packages/shorebird_code_push_protocol/lib/src/messages/messages.dart b/packages/shorebird_code_push_protocol/lib/src/messages/messages.dart
index 4d7220c5..8ac86d5a 100644
--- a/packages/shorebird_code_push_protocol/lib/src/messages/messages.dart
+++ b/packages/shorebird_code_push_protocol/lib/src/messages/messages.dart
@@ -12,3 +12,4 @@ export 'create_user/create_user.dart';
 export 'get_release_artifacts/get_release_artifacts.dart';
 export 'get_usage/get_usage.dart';
 export 'promote_patch/promote_patch.dart';
+export 'update_release/update_release.dart';
diff --git a/packages/shorebird_code_push_protocol/lib/src/messages/update_release/update_release.dart b/packages/shorebird_code_push_protocol/lib/src/messages/update_release/update_release.dart
new file mode 100644
index 00000000..0d320c0a
--- /dev/null
+++ b/packages/shorebird_code_push_protocol/lib/src/messages/update_release/update_release.dart
@@ -0,0 +1 @@
+export 'update_release_request.dart';
diff --git a/packages/shorebird_code_push_protocol/lib/src/messages/update_release/update_release_request.dart b/packages/shorebird_code_push_protocol/lib/src/messages/update_release/update_release_request.dart
new file mode 100644
index 00000000..c92384c8
--- /dev/null
+++ b/packages/shorebird_code_push_protocol/lib/src/messages/update_release/update_release_request.dart
@@ -0,0 +1,29 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:shorebird_code_push_protocol/shorebird_code_push_protocol.dart';
+
+part 'update_release_request.g.dart';
+
+/// {@template update_release_request}
+/// Request body for PUT `api/v1/release/:id` requests.
+/// {@endtemplate}
+@JsonSerializable()
+class UpdateReleaseRequest {
+  /// {@macro update_release_request}
+  const UpdateReleaseRequest({
+    required this.status,
+    required this.platform,
+  });
+
+  /// Converts a Map<String, dynamic> to a [UpdateReleaseRequest].
+  factory UpdateReleaseRequest.fromJson(Json json) =>
+      _$UpdateReleaseRequestFromJson(json);
+
+  /// Converts a [UpdateReleaseRequest] to a Map<String, dynamic>.
+  Json toJson() => _$UpdateReleaseRequestToJson(this);
+
+  /// The desired status of the release.
+  final ReleaseStatus status;
+
+  /// The platform of the release.
+  final String platform;
+}
diff --git a/packages/shorebird_code_push_protocol/lib/src/messages/update_release/update_release_request.g.dart b/packages/shorebird_code_push_protocol/lib/src/messages/update_release/update_release_request.g.dart
new file mode 100644
index 00000000..125949bf
--- /dev/null
+++ b/packages/shorebird_code_push_protocol/lib/src/messages/update_release/update_release_request.g.dart
@@ -0,0 +1,36 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// ignore_for_file: implicit_dynamic_parameter, require_trailing_commas, cast_nullable_to_non_nullable, lines_longer_than_80_chars
+
+part of 'update_release_request.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+UpdateReleaseRequest _$UpdateReleaseRequestFromJson(
+        Map<String, dynamic> json) =>
+    $checkedCreate(
+      'UpdateReleaseRequest',
+      json,
+      ($checkedConvert) {
+        final val = UpdateReleaseRequest(
+          status: $checkedConvert(
+              'status', (v) => $enumDecode(_$ReleaseStatusEnumMap, v)),
+          platform: $checkedConvert('platform', (v) => v as String),
+        );
+        return val;
+      },
+    );
+
+Map<String, dynamic> _$UpdateReleaseRequestToJson(
+        UpdateReleaseRequest instance) =>
+    <String, dynamic>{
+      'status': _$ReleaseStatusEnumMap[instance.status]!,
+      'platform': instance.platform,
+    };
+
+const _$ReleaseStatusEnumMap = {
+  ReleaseStatus.draft: 'draft',
+  ReleaseStatus.active: 'active',
+};
diff --git a/packages/shorebird_code_push_protocol/lib/src/models/models.dart b/packages/shorebird_code_push_protocol/lib/src/models/models.dart
index d7564d1b..1b78e2d6 100644
--- a/packages/shorebird_code_push_protocol/lib/src/models/models.dart
+++ b/packages/shorebird_code_push_protocol/lib/src/models/models.dart
@@ -7,6 +7,7 @@ export 'patch.dart';
 export 'patch_artifact.dart';
 export 'release.dart';
 export 'release_artifact.dart';
+export 'release_status.dart';
 export 'shorebird_plan.dart';
 export 'subscription.dart';
 export 'user.dart';
diff --git a/packages/shorebird_code_push_protocol/lib/src/models/release_status.dart b/packages/shorebird_code_push_protocol/lib/src/models/release_status.dart
new file mode 100644
index 00000000..2478a8b3
--- /dev/null
+++ b/packages/shorebird_code_push_protocol/lib/src/models/release_status.dart
@@ -0,0 +1,13 @@
+/// The status of a release.
+enum ReleaseStatus {
+  /// Indicates that the release has been created, but not all platform
+  /// artifacts have been uploaded.
+  draft,
+
+  /// Indicates that all platform artifacts have been uploaded for this release.
+  active;
+
+  /// Returns the [ReleaseStatus] with the given [name].
+  factory ReleaseStatus.named(String name) =>
+      ReleaseStatus.values.firstWhere((status) => status.name == name);
+}
diff --git a/packages/shorebird_code_push_protocol/test/src/messages/update_release/update_release_request_test.dart b/packages/shorebird_code_push_protocol/test/src/messages/update_release/update_release_request_test.dart
new file mode 100644
index 00000000..f173b784
--- /dev/null
+++ b/packages/shorebird_code_push_protocol/test/src/messages/update_release/update_release_request_test.dart
@@ -0,0 +1,17 @@
+import 'package:shorebird_code_push_protocol/shorebird_code_push_protocol.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group(UpdateReleaseRequest, () {
+    test('can be (de)serialized', () {
+      const request = UpdateReleaseRequest(
+        platform: 'android',
+        status: ReleaseStatus.active,
+      );
+      expect(
+        UpdateReleaseRequest.fromJson(request.toJson()).toJson(),
+        equals(request.toJson()),
+      );
+    });
+  });
+}
diff --git a/packages/shorebird_code_push_protocol/test/src/models/release_status_test.dart b/packages/shorebird_code_push_protocol/test/src/models/release_status_test.dart
new file mode 100644
index 00000000..128d6f58
--- /dev/null
+++ b/packages/shorebird_code_push_protocol/test/src/models/release_status_test.dart
@@ -0,0 +1,11 @@
+import 'package:shorebird_code_push_protocol/shorebird_code_push_protocol.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group(ReleaseStatus, () {
+    test('named allows lookup based on name', () {
+      expect(ReleaseStatus.named('draft'), equals(ReleaseStatus.draft));
+      expect(ReleaseStatus.named('active'), equals(ReleaseStatus.active));
+    });
+  });
+}