diff --git a/synth.py b/synth.py
index 7005963e..dd1a7408 100644
--- a/synth.py
+++ b/synth.py
@@ -19,4 +19,5 @@
 java.common_templates(excludes=[
     # TODO: allow when pubsublite-spark is available in libraries-bom
     'samples/install-without-bom/*',
+    '.kokoro/build.sh',
 ])