diff --git a/third_party/pigweed b/third_party/pigweed
index 1e72e7e..4c0dd40 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 1e72e7e55cef2524d8e64df2a61e2a6e4b87b773
+Subproject commit 4c0dd405e0eedfa21575a118802490ec67cf2786