diff --git a/aws-common-runtime/aws-crt-cpp b/aws-common-runtime/aws-crt-cpp
index e84c3402e..421a69a81 160000
--- a/aws-common-runtime/aws-crt-cpp
+++ b/aws-common-runtime/aws-crt-cpp
@@ -1 +1 @@
-Subproject commit e84c3402ee0a1d00d5d66a0a8e803f33a64fccb4
+Subproject commit 421a69a81fb73b4c9917ffb3d095c2c65e9e973d