diff --git a/crt/aws-c-auth b/crt/aws-c-auth
index 53a31bacf..52bf59161 160000
--- a/crt/aws-c-auth
+++ b/crt/aws-c-auth
@@ -1 +1 @@
-Subproject commit 53a31bacf2918e848e00b052d2e25cba0be069d9
+Subproject commit 52bf591613d1a001c43ec99af7376f871759c5fe
diff --git a/crt/aws-c-io b/crt/aws-c-io
index d04508d11..c345d7727 160000
--- a/crt/aws-c-io
+++ b/crt/aws-c-io
@@ -1 +1 @@
-Subproject commit d04508d113851f1bc15630d93490b2aa09676137
+Subproject commit c345d77274db83c0c2e30331814093e7c84c45e2
diff --git a/crt/aws-c-s3 b/crt/aws-c-s3
index 94edd4747..0ab4d58ef 160000
--- a/crt/aws-c-s3
+++ b/crt/aws-c-s3
@@ -1 +1 @@
-Subproject commit 94edd4747923f3c255c2e1b1766ee9de20a1caf8
+Subproject commit 0ab4d58ef0bd97970d43828cb6b57a3de5747343
diff --git a/crt/aws-lc b/crt/aws-lc
index 47333e181..057477806 160000
--- a/crt/aws-lc
+++ b/crt/aws-lc
@@ -1 +1 @@
-Subproject commit 47333e18117875148fc737c38c2d5586b45c7dfc
+Subproject commit 05747780676652f41d0b9c570a495e4bb6608560
diff --git a/crt/s2n b/crt/s2n
index 073c7b415..79c0f1b43 160000
--- a/crt/s2n
+++ b/crt/s2n
@@ -1 +1 @@
-Subproject commit 073c7b415a17d271a7b2c8c385d0e641fc94871f
+Subproject commit 79c0f1b434742d9f1152c48d3781433649f6f8fe