diff --git a/aws-common-runtime/aws-c-io b/aws-common-runtime/aws-c-io
index 15230b52..3a4eacaa 160000
--- a/aws-common-runtime/aws-c-io
+++ b/aws-common-runtime/aws-c-io
@@ -1 +1 @@
-Subproject commit 15230b529a486e15b582b7e196ba605d4e8a014e
+Subproject commit 3a4eacaa4f26cc01613d353b013767082b5d77bc