diff --git a/crt/aws-c-cal b/crt/aws-c-cal
index 9ab6f96e5..611690ff1 160000
--- a/crt/aws-c-cal
+++ b/crt/aws-c-cal
@@ -1 +1 @@
-Subproject commit 9ab6f96e5aba10b2e337c51e62d9400f001cfe0c
+Subproject commit 611690ff1087e7e1481480606f3d491f4914f93b
diff --git a/crt/aws-c-http b/crt/aws-c-http
index f686b89d8..3f8ffda54 160000
--- a/crt/aws-c-http
+++ b/crt/aws-c-http
@@ -1 +1 @@
-Subproject commit f686b89d8c3f500387db10a7f1614eadebf0b0ff
+Subproject commit 3f8ffda541eab815646f739cef2b350d6e7d5406
diff --git a/crt/aws-c-s3 b/crt/aws-c-s3
index 303d62cfc..85b791a1c 160000
--- a/crt/aws-c-s3
+++ b/crt/aws-c-s3
@@ -1 +1 @@
-Subproject commit 303d62cfc05cfb2807cacf7fe1b3721dfe8ad216
+Subproject commit 85b791a1ce06812b24ee66825f65f0380aa5cc80
diff --git a/crt/s2n b/crt/s2n
index df0429a28..88c7ae4d3 160000
--- a/crt/s2n
+++ b/crt/s2n
@@ -1 +1 @@
-Subproject commit df0429a28db247235b9a0f66fa3a9be191c9d365
+Subproject commit 88c7ae4d3fd9b3e9e49fcecc9bee1ddb8099ae70