diff --git a/crt/aws-c-common b/crt/aws-c-common
index f41b772f..63187b97 160000
--- a/crt/aws-c-common
+++ b/crt/aws-c-common
@@ -1 +1 @@
-Subproject commit f41b772f0de9454a4e7a65750b58c2379533bbf1
+Subproject commit 63187b976a482309e23296c5f967fc19c4131746
diff --git a/crt/aws-c-http b/crt/aws-c-http
index 74b3a0dd..fc3eded2 160000
--- a/crt/aws-c-http
+++ b/crt/aws-c-http
@@ -1 +1 @@
-Subproject commit 74b3a0dd1396b72f701c8bdf24e5c6f41e52cf87
+Subproject commit fc3eded2465c37d07fd9cc15e9b5b011224c9c9a
diff --git a/crt/aws-c-io b/crt/aws-c-io
index fe93d0af..fcb38c80 160000
--- a/crt/aws-c-io
+++ b/crt/aws-c-io
@@ -1 +1 @@
-Subproject commit fe93d0afcc1cede32ac9569abd8669ed011b1b8c
+Subproject commit fcb38c804364dd627c335da752a99a125a88f6e9
diff --git a/crt/aws-c-s3 b/crt/aws-c-s3
index 8c1969bc..5877f40f 160000
--- a/crt/aws-c-s3
+++ b/crt/aws-c-s3
@@ -1 +1 @@
-Subproject commit 8c1969bce5bfe0e063cbc719182dbe344342b880
+Subproject commit 5877f40f87c77ccf2b278839995a6ee91983080f