diff --git a/third_party/pigweed b/third_party/pigweed
index 9e8ca38..85a98a6 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9e8ca38f729ad9507290ce0ef91ca040ce7aea60
+Subproject commit 85a98a639bedd07db497dc9a1e2d66925ad7150d