diff --git a/third_party/pigweed b/third_party/pigweed
index af7f5ef..81017fe 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit af7f5ef93da43726f9dce144f1209a0c2b800c02
+Subproject commit 81017fe1af1f6a985c8634af8864ea64ecfeb9c3