diff --git a/third_party/pigweed b/third_party/pigweed
index 45ed65c..8e21d97 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 45ed65c001577d621206837db89f531aa152ec24
+Subproject commit 8e21d974aed972b995bcd9c87a58a55ad0ab1468