diff --git a/third_party/pigweed b/third_party/pigweed
index a6e8fe1..4d6620d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit a6e8fe16ff79e9bc214ab6f01ea1b9277bb4d9ea
+Subproject commit 4d6620db1bce9847fbadf0761ee98f8e9e8edf41