diff --git a/third_party/pigweed b/third_party/pigweed
index 300cd1c..5d9a1e8 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 300cd1ca16733e21346ee06de1fa1a46d301f6d3
+Subproject commit 5d9a1e84e7c55a7b194a8bf459b720cbba220d0c