diff --git a/Cargo.toml b/Cargo.toml
index 81dd13b78e..4ab4a7a429 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,5 +2,7 @@
 
 members = [
     "google-apis-common",
-    "google-clis-common"
-]
\ No newline at end of file
+    "google-clis-common",
+    "src/rust/preproc"
+]
+exclude = ["gen"]
\ No newline at end of file