diff --git a/third_party/pigweed/repo b/third_party/pigweed/repo
index 71ba37c8a6cc65..4e9bb2b06e3b34 160000
--- a/third_party/pigweed/repo
+++ b/third_party/pigweed/repo
@@ -1 +1 @@
-Subproject commit 71ba37c8a6cc65c8084078fb000e8f470cff8597
+Subproject commit 4e9bb2b06e3b34981ba3064a8a496dd573c6f0b8