diff --git a/third_party/pigweed b/third_party/pigweed
index 0c94fc2..1789219 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 0c94fc22f9ae1e0f4cc3aad65a6f08c15913fccf
+Subproject commit 178921954faf0d0d6452e27ec59c9e9c6bf076ba