diff --git a/gerrit-antlr/BUILD b/gerrit-antlr/BUILD
index 1176d17..6c39106 100644
--- a/gerrit-antlr/BUILD
+++ b/gerrit-antlr/BUILD
@@ -13,7 +13,7 @@
     cmd = " && ".join([
         "$(location //lib/antlr:antlr-tool) -o $$TMP $<",
         "cd $$TMP",
-        "zip $$ROOT/$@ $$(find . -type f )",
+        "zip -q $$ROOT/$@ $$(find . -type f )",
     ]),
     tools = [
         "//lib/antlr:antlr-tool",