diff --git a/crt/aws-c-auth b/crt/aws-c-auth
index a4409b95d..5aefd277c 160000
--- a/crt/aws-c-auth
+++ b/crt/aws-c-auth
@@ -1 +1 @@
-Subproject commit a4409b95dad40a45b81e5fc9ff96f41386845e4f
+Subproject commit 5aefd277cfbf049933df13b1ee8439edccbf0964
diff --git a/crt/aws-c-event-stream b/crt/aws-c-event-stream
index f43a3d24a..c741f95e9 160000
--- a/crt/aws-c-event-stream
+++ b/crt/aws-c-event-stream
@@ -1 +1 @@
-Subproject commit f43a3d24a7c1f8b50f709ccb4fdf4c7fd2827fff
+Subproject commit c741f95e9050a1a4bed4b3aa7543bd3e024f6e56
diff --git a/crt/aws-c-http b/crt/aws-c-http
index a9745ea99..0d8e1a933 160000
--- a/crt/aws-c-http
+++ b/crt/aws-c-http
@@ -1 +1 @@
-Subproject commit a9745ea9998f679cd7456e7d23cc8820e38c97d4
+Subproject commit 0d8e1a933f46b8af984dfc8168ebcdf32748c184
diff --git a/crt/aws-c-mqtt b/crt/aws-c-mqtt
index 1d512d927..41b6a7d6d 160000
--- a/crt/aws-c-mqtt
+++ b/crt/aws-c-mqtt
@@ -1 +1 @@
-Subproject commit 1d512d92709f60b74e2cafa018e69a2e647f28e9
+Subproject commit 41b6a7d6d566a56eff69743df66c077d56a80c9d
diff --git a/crt/aws-lc b/crt/aws-lc
index ae0cd62f4..e50a5f29e 160000
--- a/crt/aws-lc
+++ b/crt/aws-lc
@@ -1 +1 @@
-Subproject commit ae0cd62f49db4c32b77cb8ed080013bfb44ed90d
+Subproject commit e50a5f29ee416a7c99be4e72957e8f96aa51dbb9
diff --git a/crt/s2n b/crt/s2n
index 3276a0876..f5e5e8303 160000
--- a/crt/s2n
+++ b/crt/s2n
@@ -1 +1 @@
-Subproject commit 3276a0876054e9efbeab4a42f34ef60b0bf58c91
+Subproject commit f5e5e83031be60691f22442373fb8371274fcd56