diff --git a/crt/aws-c-mqtt b/crt/aws-c-mqtt
index 551df553..c43232c1 160000
--- a/crt/aws-c-mqtt
+++ b/crt/aws-c-mqtt
@@ -1 +1 @@
-Subproject commit 551df55369faad7dec852f538089f0e385d569a9
+Subproject commit c43232c1bc378344bb7245d7fcb167410f3fe931