diff --git a/PYTHON-MANIFEST.in b/PYTHON-MANIFEST.in
index b63748b13e9..391de4e907e 100644
--- a/PYTHON-MANIFEST.in
+++ b/PYTHON-MANIFEST.in
@@ -8,6 +8,7 @@ graft third_party/abseil-cpp/absl
 graft third_party/address_sorting
 graft third_party/boringssl-with-bazel
 graft third_party/cares
+graft third_party/re2
 graft third_party/upb
 graft third_party/zlib
 include src/python/grpcio/_parallel_compile_patch.py
diff --git a/src/python/grpcio/commands.py b/src/python/grpcio/commands.py
index fb678eb2d53..5b21daaf444 100644
--- a/src/python/grpcio/commands.py
+++ b/src/python/grpcio/commands.py
@@ -298,7 +298,9 @@ class Clean(setuptools.Command):
     """Command to clean build artifacts."""
 
     description = 'Clean build artifacts.'
-    user_options = []
+    user_options = [
+        ('all', 'a', 'a phony flag to allow our script to continue'),
+    ]
 
     _FILE_PATTERNS = (
         'python_build',
@@ -311,7 +313,7 @@ class Clean(setuptools.Command):
         os.path.join(os.path.dirname(os.path.realpath(__file__)), "../../.."))
 
     def initialize_options(self):
-        pass
+        self.all = False
 
     def finalize_options(self):
         pass