diff --git a/src/lib/libc b/src/lib/libc
index 930420c..1ff21ed 160000
--- a/src/lib/libc
+++ b/src/lib/libc
@@ -1 +1 @@
-Subproject commit 930420c6003a358c7a9b24d894a736d511992fce
+Subproject commit 1ff21ed155f9fc8773b415fb828a82cccdea0a98