diff --git a/third_party/pigweed b/third_party/pigweed
index a2bc5f4..858b99a 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit a2bc5f4e7b7ca32096819f5748ce0f20d525e3fe
+Subproject commit 858b99a34b69f577a83ecf8d91fcce2555d1c08f