diff --git a/third_party/pigweed b/third_party/pigweed
index 7176f39..63ff91d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 7176f39c2acab3fc30597c3a081dc2c223f7c472
+Subproject commit 63ff91ddb27180e55f347f5eafd1fb6c3e6cea19