diff --git a/.gn b/.gn
index a1eaeb3d4..21e83bd95 100644
--- a/.gn
+++ b/.gn
@@ -47,3 +47,6 @@ exec_script_whitelist = [
   "//build/toolchain/win/BUILD.gn",
 ]
 
+default_args = {
+  mac_sdk_min = "10.11"
+}