diff --git a/crt/aws-c-io b/crt/aws-c-io
index 3baeef990..cba1fb268 160000
--- a/crt/aws-c-io
+++ b/crt/aws-c-io
@@ -1 +1 @@
-Subproject commit 3baeef9906519363c0e72e3851bf31c9d656af37
+Subproject commit cba1fb26860cb262c3f23c7b49303eff881f8749
diff --git a/crt/aws-c-s3 b/crt/aws-c-s3
index 9a9457c2f..5732e5699 160000
--- a/crt/aws-c-s3
+++ b/crt/aws-c-s3
@@ -1 +1 @@
-Subproject commit 9a9457c2f8b229f7f1e3d776448590cd3e9714a3
+Subproject commit 5732e569971b8d789d2d249c01171521db187570