diff --git a/tools/build_third_party.py b/tools/build_third_party.py
index 87ed0478385ef8..d1ae16ccff44ed 100755
--- a/tools/build_third_party.py
+++ b/tools/build_third_party.py
@@ -27,5 +27,5 @@
 remove_and_symlink(join("v8", "third_party", "jinja2"), "jinja2")
 remove_and_symlink(join("v8", "third_party", "llvm-build"), "llvm-build")
 remove_and_symlink(join("v8", "third_party", "markupsafe"), "markupsafe")
-run(["gclient", "sync", "--no-history"])
+run(["gclient", "sync", "--shallow", "--no-history"])
 run(["yarn"])