diff --git a/third_party/pigweed b/third_party/pigweed
index 7cffdd8..df4efa0 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 7cffdd83bfd413cd000322d13d57443306771090
+Subproject commit df4efa0243b5dba294d730b5c1dabe62a898ca3f