diff --git a/third_party/pigweed b/third_party/pigweed
index 385a1e4..64bfe39 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 385a1e4a5585ba228084eac28d21f719d3f38ffd
+Subproject commit 64bfe39525064789c2f79efa9f2d9afe06a0af0c