diff --git a/google/maps/unity/BUILD.bazel b/google/maps/unity/BUILD.bazel
index e45c212d7..838f4edc5 100644
--- a/google/maps/unity/BUILD.bazel
+++ b/google/maps/unity/BUILD.bazel
@@ -56,11 +56,12 @@ go_proto_library(
 
 ##############################################################################
 # PHP
+# DO NOT OVERRIDE this PHP microgenerator section with autogenerated rules.
 ##############################################################################
 load(
     "@com_google_googleapis_imports//:imports.bzl",
-    "php_grpc_library",
-    "php_proto_library",
+    php_grpc_library = "php_grpc_library2",
+    php_proto_library = "php_proto_library2",
 )
 
 php_proto_library(