diff --git a/third_party/pigweed b/third_party/pigweed
index f20703f..b8a991a 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f20703f8eac6ab8164a2c4361a8544e704830e41
+Subproject commit b8a991a6af0e109710e65dc21460ec9d23b397d5