diff --git a/crt/aws-c-common b/crt/aws-c-common
index 36a716eed..4f874cea5 160000
--- a/crt/aws-c-common
+++ b/crt/aws-c-common
@@ -1 +1 @@
-Subproject commit 36a716eed3da79a74460f6c1e8e9b6a119399962
+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 47be63c80..878b4fa02 160000
--- a/crt/aws-c-io
+++ b/crt/aws-c-io
@@ -1 +1 @@
-Subproject commit 47be63c809e32c6923fd7fd80f67d86cef458d5d
+Subproject commit 878b4fa027bda4041493f06e0562d5e98bb3deb8
diff --git a/crt/aws-c-s3 b/crt/aws-c-s3
index 774999fd8..6588f9a71 160000
--- a/crt/aws-c-s3
+++ b/crt/aws-c-s3
@@ -1 +1 @@
-Subproject commit 774999fd89e710084251157c37c34f46e5ac74f8
+Subproject commit 6588f9a714ee7a8be1bddd63ea5ea1ea224d00b4
diff --git a/crt/aws-lc b/crt/aws-lc
index 92bf53276..4e54dd836 160000
--- a/crt/aws-lc
+++ b/crt/aws-lc
@@ -1 +1 @@
-Subproject commit 92bf53276029a71f01303e5adb1c5dbc379f1150
+Subproject commit 4e54dd8363396f257d7a2317c48101e18170e6fb
diff --git a/crt/s2n b/crt/s2n
index 6d92b46d3..114ccab0f 160000
--- a/crt/s2n
+++ b/crt/s2n
@@ -1 +1 @@
-Subproject commit 6d92b46d309a8f12fa08ad289020d9a41c925a66
+Subproject commit 114ccab0ff2cde491203ac841837d0d39b767412