diff --git a/third_party/pigweed b/third_party/pigweed
index cf062ce..1c99347 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit cf062ce108410038ae8ccbcec71cb2c1e5ce6c4b
+Subproject commit 1c993470e827d03ceff6d67103832c9ebc1d5466