diff --git a/third_party/pigweed b/third_party/pigweed
index 23304eb..85b5cd9 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 23304eb9d53978c956a52e87aff6b49cb9c8607a
+Subproject commit 85b5cd9d9b3375c41eb52c027b80d764472173e9