diff --git a/third_party/pigweed b/third_party/pigweed
index 7eb28ce..a4ddc9b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 7eb28cec8443187344988b0e829fbbbe81d82381
+Subproject commit a4ddc9ba9195ba59ad65aca11c140a852804eff0