diff --git a/third_party/pigweed b/third_party/pigweed
index 9c64c8d..64fab36 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9c64c8d1cd1cec45d0f6ebbe13f19646421d6a9b
+Subproject commit 64fab36c47fbac179650a58604466e5cfe290093