diff --git a/third_party/pigweed b/third_party/pigweed
index 94d4578..4e78acf 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 94d45789c7ab7eac7e34aedd092b1715c3463529
+Subproject commit 4e78acfde9d8056c089270390b00a90a38e2b4f6