diff --git a/third_party/pigweed b/third_party/pigweed
index cd86f4e..9554bf9 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit cd86f4e6e19ca9f82f12c724283c34d7ff2b165e
+Subproject commit 9554bf970460e7515edf31ba296cb2e70460f3fc