diff --git a/third_party/pigweed b/third_party/pigweed
index 4034273..9e1ed90 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 4034273a4c9ddf03e3298dd1aabc95b96af48d14
+Subproject commit 9e1ed90cd304c1bc2dee8789aad63e50a82f8309