diff --git a/third_party/pigweed/src b/third_party/pigweed/src
index cf4291d..34cff3b 160000
--- a/third_party/pigweed/src
+++ b/third_party/pigweed/src
@@ -1 +1 @@
-Subproject commit cf4291da443f5b2db18827747bb66499459de5bd
+Subproject commit 34cff3b4e635b2c3de548f47c30b365558d4ab67