diff --git a/third_party/pigweed b/third_party/pigweed
index 843bd1c..6393be4 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 843bd1cf3b198a4e3749e1bdf16726418f11da1b
+Subproject commit 6393be463cc08150c06b982b388cfb6481533646