diff --git a/kms/synth.py b/kms/synth.py
index 390e021f3a38..a6731d41073b 100644
--- a/kms/synth.py
+++ b/kms/synth.py
@@ -33,6 +33,7 @@
 s.move(
     library,
     excludes=[
+        'setup.py',
         'docs/**/*',
         'README.rst',
     ])