diff --git a/third_party/pigweed b/third_party/pigweed
index 4ca3507..63ff91d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 4ca35072d847b34b51c92ec5c9af6a61a2da8d88
+Subproject commit 63ff91ddb27180e55f347f5eafd1fb6c3e6cea19