diff --git a/build/rbe/rewrapper_dart.py b/build/rbe/rewrapper_dart.py
index 0c22d6c741f..11dfbd69ec0 100644
--- a/build/rbe/rewrapper_dart.py
+++ b/build/rbe/rewrapper_dart.py
@@ -433,6 +433,8 @@ trace to find the place to insert the appropriate support.
                     self.rebase(self.optarg.replace('.js', '.dill')))
             elif self.get_option(['--dart-sdk-summary']):
                 self.extra_paths.add(self.rebase(self.optarg))
+            elif self.get_option(['--packages']):
+                self.extra_paths.add(self.rebase(self.optarg))
             elif self.get_option([
                     '--multi-root-scheme', '--multi-root-output-path',
                     '--modules'
diff --git a/utils/ddc/BUILD.gn b/utils/ddc/BUILD.gn
index fc6b6287272..879e7e1938e 100644
--- a/utils/ddc/BUILD.gn
+++ b/utils/ddc/BUILD.gn
@@ -40,6 +40,8 @@ application_snapshot("dartdevc") {
   main_dart = "../../pkg/dev_compiler/bin/dartdevc.dart"
 
   training_args = [
+    "--packages",
+    rebase_path("../../.dart_tool/package_config.json"),
     "--dart-sdk-summary",
     rebase_path(sdk_outline_dill),
     "-o",