diff --git a/mountpoint-s3-crt-sys/crt/aws-c-auth b/mountpoint-s3-crt-sys/crt/aws-c-auth
index 300ae823a..d78952529 160000
--- a/mountpoint-s3-crt-sys/crt/aws-c-auth
+++ b/mountpoint-s3-crt-sys/crt/aws-c-auth
@@ -1 +1 @@
-Subproject commit 300ae823aa0d5cacfabe901f55096f0452c4ca89
+Subproject commit d7895252915259d037f10be223369eb99e837471
diff --git a/mountpoint-s3-crt-sys/crt/aws-c-io b/mountpoint-s3-crt-sys/crt/aws-c-io
index e455d9032..e5fe40e11 160000
--- a/mountpoint-s3-crt-sys/crt/aws-c-io
+++ b/mountpoint-s3-crt-sys/crt/aws-c-io
@@ -1 +1 @@
-Subproject commit e455d90320c569300f0ba50535d7a1a5f9aff399
+Subproject commit e5fe40e11d97221c25b3b40ad2949822b3422993