diff --git a/crt/aws-c-auth b/crt/aws-c-auth
index 0de6b271b..53a31bacf 160000
--- a/crt/aws-c-auth
+++ b/crt/aws-c-auth
@@ -1 +1 @@
-Subproject commit 0de6b271bdfb447853d1af0eced39faed7f746f3
+Subproject commit 53a31bacf2918e848e00b052d2e25cba0be069d9
diff --git a/crt/aws-c-cal b/crt/aws-c-cal
index 314fc5558..96c47e339 160000
--- a/crt/aws-c-cal
+++ b/crt/aws-c-cal
@@ -1 +1 @@
-Subproject commit 314fc555846ac7bf2cc68a117c99a6af26f7043e
+Subproject commit 96c47e339d030d1fa4eaca201be948bc4442510d
diff --git a/crt/aws-c-common b/crt/aws-c-common
index ae7b067d9..4f874cea5 160000
--- a/crt/aws-c-common
+++ b/crt/aws-c-common
@@ -1 +1 @@
-Subproject commit ae7b067d9274d2d3faa1d3ae42d489a6986661f7
+Subproject commit 4f874cea50a70bc6ebcd85c6ce1c6c0016b5aff4
diff --git a/crt/aws-c-http b/crt/aws-c-http
index 98ec73ad0..d83f8d701 160000
--- a/crt/aws-c-http
+++ b/crt/aws-c-http
@@ -1 +1 @@
-Subproject commit 98ec73ad0c18b78ba08d40b4e60d97abf794f24d
+Subproject commit d83f8d70143ddce5ab4e479175fbd44ba994211b
diff --git a/crt/aws-c-io b/crt/aws-c-io
index bf2d72230..878b4fa02 160000
--- a/crt/aws-c-io
+++ b/crt/aws-c-io
@@ -1 +1 @@
-Subproject commit bf2d72230727f02eddb5b16c4e6c5ac5a3f203a7
+Subproject commit 878b4fa027bda4041493f06e0562d5e98bb3deb8
diff --git a/crt/aws-c-mqtt b/crt/aws-c-mqtt
index 74da9cadf..ed7bbd68c 160000
--- a/crt/aws-c-mqtt
+++ b/crt/aws-c-mqtt
@@ -1 +1 @@
-Subproject commit 74da9cadfa9dfd2179479fdc445617f5da3261ba
+Subproject commit ed7bbd68c03d7022c915a2924740ab7992ad2311
diff --git a/crt/aws-c-sdkutils b/crt/aws-c-sdkutils
index 638fdd654..8c7af71f9 160000
--- a/crt/aws-c-sdkutils
+++ b/crt/aws-c-sdkutils
@@ -1 +1 @@
-Subproject commit 638fdd6548df85c599f82db7ea70fd9e44917ef5
+Subproject commit 8c7af71f91ed5b9d2a043d51f120495f43723f80
diff --git a/crt/s2n b/crt/s2n
index 171c96a23..114ccab0f 160000
--- a/crt/s2n
+++ b/crt/s2n
@@ -1 +1 @@
-Subproject commit 171c96a232eb2bf45415340378b55b3bb6dd29cd
+Subproject commit 114ccab0ff2cde491203ac841837d0d39b767412