diff --git a/third_party/pigweed b/third_party/pigweed
index 951cb3c..a388a2a 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 951cb3ce0fc7d6c4fa9646628e0b64fed933e70b
+Subproject commit a388a2af4a8f3445b79e5fef35110f0e41f1d198