diff --git a/python/packaging/classic/setup.py b/python/packaging/classic/setup.py
index 8844d225d1b8..ddd2448e1c18 100755
--- a/python/packaging/classic/setup.py
+++ b/python/packaging/classic/setup.py
@@ -275,6 +275,7 @@ def run(self):
             "pyspark.sql.connect.client",
             "pyspark.sql.connect.functions",
             "pyspark.sql.connect.proto",
+            "pyspark.sql.connect.protobuf",
             "pyspark.sql.connect.shell",
             "pyspark.sql.connect.streaming",
             "pyspark.sql.connect.streaming.worker",
diff --git a/python/packaging/connect/setup.py b/python/packaging/connect/setup.py
index 157bc86c192e..01c5518d4451 100755
--- a/python/packaging/connect/setup.py
+++ b/python/packaging/connect/setup.py
@@ -103,6 +103,7 @@
         "pyspark.sql.connect.client",
         "pyspark.sql.connect.functions",
         "pyspark.sql.connect.proto",
+        "pyspark.sql.connect.protobuf",
         "pyspark.sql.connect.shell",
         "pyspark.sql.connect.streaming",
         "pyspark.sql.connect.streaming.worker",