diff --git a/third_party/pigweed b/third_party/pigweed
index 6efc99b..7d78c54 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 6efc99b3ee854dd54a0b1465d9014c54e01b21b9
+Subproject commit 7d78c549c47d4bcd4a726b856013fede6f2ea891