diff --git a/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto b/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto
index bd7235f..5170c0f 100644
--- a/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto
+++ b/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto
@@ -517,6 +517,7 @@
 message DefaultCpuToolchain {
   required string cpu = 1;
   required string toolchain_identifier = 2;
+  optional bool supports_lipo = 3 [default = true];
 }
 
 // An entire crosstool release, containing the version number, a default target