diff --git a/third_party/pigweed b/third_party/pigweed
index 3f89c18..849d99b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3f89c18fdffd43f6838307fa5fa8c9900c7b4071
+Subproject commit 849d99bd97a561308a17e2f7f29c9ab46ce8acd2