diff --git a/dev/requirements.txt b/dev/requirements.txt
index 4b47c1f6e834a..651fc280627ee 100644
--- a/dev/requirements.txt
+++ b/dev/requirements.txt
@@ -46,7 +46,9 @@ PyGithub
 # pandas API on Spark Code formatter.
 black==22.6.0
 
-# Spark Connect
+# Spark Connect (required)
 grpcio==1.48.1
 protobuf==4.21.6
+
+# Spark Connect python proto generation plugin (optional)
 mypy-protobuf