diff --git a/third_party/pigweed b/third_party/pigweed
index 3ba7cdc..4b5dc05 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3ba7cdc20535ec023f48e33634ab0cd4ccf7a5d6
+Subproject commit 4b5dc0535d75ca150d5d30b4fc1f8f8e919ccf6d