diff --git a/third_party/pigweed/repo b/third_party/pigweed/repo
index ead209d3aa..4e9bb2b06e 160000
--- a/third_party/pigweed/repo
+++ b/third_party/pigweed/repo
@@ -1 +1 @@
-Subproject commit ead209d3aa09821aa7549fbc8665ae68fe88d16f
+Subproject commit 4e9bb2b06e3b34981ba3064a8a496dd573c6f0b8