diff --git a/third_party/pigweed b/third_party/pigweed
index 764ed8f..4f55cd8 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 764ed8f3950766c6116d46310639b917e88ebdd1
+Subproject commit 4f55cd893c39b218b8ad116143898b0d9210a964