diff --git a/third_party/pigweed b/third_party/pigweed
index 4bb2686..f9979ae 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 4bb2686b713f6903686ffd5f774ffd921551ea3d
+Subproject commit f9979ae9110b650072b463392c72ae536763718b