diff --git a/DEPS b/DEPS
index 696d8aeda9d..8edb7c18a91 100644
--- a/DEPS
+++ b/DEPS
@@ -179,7 +179,7 @@ vars = {
   "stream_channel_rev": "0ce7ab69c3a2ab83cdeb9dc60e1bacbb83abc165",
   "string_scanner_rev": "da9142cf9809e7e1364144b8193ec60d87f0a4b8",
   "sync_http_rev": "8233f74cd8a87707c13beceb59b56bca41b52966",
-  "tar_rev": "3c68cba8e51c569428222b9185469249206172c6", # external package, review all rolls. disable rev_sdk_deps.dart,
+  "tar_rev": "3c68cba8e51c569428222b9185469249206172c6",
   "term_glyph_rev": "1b28285a7e818b8e87c4d2119d968c5b36d73c7a",
   "test_rev": "8191a355cefe5e6073e597d139bfb46e4b00c493",
   "test_descriptor_rev": "030193dfdfbf85930eae8536909c546151da9e9c",
diff --git a/tools/rev_sdk_deps.dart b/tools/rev_sdk_deps.dart
index 223dfcc6d22..1536d49886b 100644
--- a/tools/rev_sdk_deps.dart
+++ b/tools/rev_sdk_deps.dart
@@ -9,9 +9,18 @@
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:cli_util/cli_logging.dart';
 import 'package:path/path.dart' as path;
 import 'package:pool/pool.dart' as pool;
 
+/// The following set of packages should be individually reviewed.
+///
+/// Generally, they are from repos that are not Dart team owned, and we want to
+/// ensure that we consistently review all changes from those repos.
+const Set<String> individuallyReviewedPackages = {
+  'tar',
+};
+
 void main(List<String> args) async {
   // Validate we're running from the repo root.
   if (!File('README.dart-sdk').existsSync() || !File('DEPS').existsSync()) {
@@ -36,7 +45,7 @@ void main(List<String> args) async {
 
   final gitPool = pool.Pool(10);
 
-  final depsToRev = Map.fromEntries(
+  final revDepsToCommits = Map.fromEntries(
     (await Future.wait(
       deps.map((dep) {
         return gitPool.withResource(() async {
@@ -53,14 +62,24 @@ void main(List<String> args) async {
     }),
   );
 
-  if (depsToRev.isEmpty) {
+  if (revDepsToCommits.isEmpty) {
     print('No new revisions.');
     return;
   }
 
-  final depsToRevNames = depsToRev.keys.map((e) => e.name).join(', ');
+  final separateReviewDeps = revDepsToCommits.keys
+      .where((dep) => individuallyReviewedPackages.contains(dep.name))
+      .toList();
+  revDepsToCommits
+      .removeWhere((dep, _) => individuallyReviewedPackages.contains(dep.name));
+
+  final depsToRevNames = revDepsToCommits.keys.map((e) => e.name).join(', ');
 
   print('Move moving forward revisions for: $depsToRevNames.');
+  if (separateReviewDeps.isNotEmpty) {
+    print('(additional, individually reviewed updates are also available for: '
+        '${separateReviewDeps.map((dep) => dep.name).join(', ')})');
+  }
   print('');
   print('Commit message:');
   print('');
@@ -69,7 +88,7 @@ void main(List<String> args) async {
   print('Revisions updated by `dart tools/rev_sdk_deps.dart`.');
   print('');
 
-  for (var entry in depsToRev.entries) {
+  for (var entry in revDepsToCommits.entries) {
     final dep = entry.key;
     final commit = entry.value;
 
@@ -89,6 +108,19 @@ void main(List<String> args) async {
 
     print('');
   }
+
+  if (separateReviewDeps.isNotEmpty) {
+    final boldText = Ansi(true)
+        .emphasized('Note: updates are also available for additional packages');
+    print('$boldText; these require individual review.\nPlease ensure that the '
+        'review for these changes is thorough. To roll them:');
+    print('');
+    for (var dep in separateReviewDeps) {
+      print('${dep.name} from ${dep.url}:');
+      print('  dart tools/manage_deps.dart bump third_party/pkg/${dep.name}');
+      print('');
+    }
+  }
 }
 
 // By convention, pinned deps are deps with an eol comment.