diff --git a/third_party/pigweed b/third_party/pigweed
index 5a5d85c..6393be4 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 5a5d85cf27c4421e034f41f923370124fe0881d0
+Subproject commit 6393be463cc08150c06b982b388cfb6481533646