diff --git a/CMakeLists.txt b/CMakeLists.txt
index fb54a14e0..bf86c3555 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,4 @@
-cmake_minimum_required(VERSION 3.1)
-
-if(POLICY CMP0077)
-    cmake_policy(SET CMP0077 NEW)
-endif()
+cmake_minimum_required(VERSION 3.13)
 
 option(BUILD_DEPS "Builds aws common runtime dependencies as part of build. Turn off if you want to control your dependency chain." ON)
 option(BYO_CRYPTO "Don't build a tls implementation or link against a crypto interface. This feature is only for unix builds currently" OFF)
@@ -283,6 +279,7 @@ endif()
 
 set_target_properties(${PROJECT_NAME} PROPERTIES LINKER_LANGUAGE CXX)
 set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD ${CMAKE_CXX_STANDARD})
+set_target_properties(${PROJECT_NAME} PROPERTIES CXX_VISIBILITY_PRESET hidden VISIBILITY_INLINES_HIDDEN ON)
 
 aws_prepare_symbol_visibility_args(${PROJECT_NAME} "AWS_CRT_CPP")
 
diff --git a/crt/aws-c-auth b/crt/aws-c-auth
index 52bf59161..084868560 160000
--- a/crt/aws-c-auth
+++ b/crt/aws-c-auth
@@ -1 +1 @@
-Subproject commit 52bf591613d1a001c43ec99af7376f871759c5fe
+Subproject commit 084868560e6856943a5b906916ab4957e7c61b70
diff --git a/crt/aws-c-cal b/crt/aws-c-cal
index 77ca3aea8..0627591cf 160000
--- a/crt/aws-c-cal
+++ b/crt/aws-c-cal
@@ -1 +1 @@
-Subproject commit 77ca3aea879bc768082fe7ec715adcde8e98c332
+Subproject commit 0627591cf9fc587bd357fea0b34f984dc3609a11
diff --git a/crt/aws-c-common b/crt/aws-c-common
index 672cc0032..484fddaf0 160000
--- a/crt/aws-c-common
+++ b/crt/aws-c-common
@@ -1 +1 @@
-Subproject commit 672cc0032eb28d69fbdd22c9463253c89d7a6f30
+Subproject commit 484fddaf09b65e97b6577c020a131e9f5bdb1106
diff --git a/crt/aws-c-compression b/crt/aws-c-compression
index ea1d421a4..ff2120184 160000
--- a/crt/aws-c-compression
+++ b/crt/aws-c-compression
@@ -1 +1 @@
-Subproject commit ea1d421a421ad83a540309a94c38d50b6a5d836b
+Subproject commit ff21201842dee4a30563c424f5f753bbef3f648e
diff --git a/crt/aws-c-event-stream b/crt/aws-c-event-stream
index 1b3825fc9..305f71f94 160000
--- a/crt/aws-c-event-stream
+++ b/crt/aws-c-event-stream
@@ -1 +1 @@
-Subproject commit 1b3825fc9cae2e9c7ed7479ee5d354d52ebdf7a0
+Subproject commit 305f71f94ac401a51c53ddcd05c454472e7f18ab
diff --git a/crt/aws-c-http b/crt/aws-c-http
index 4e74ab1e3..3225effef 160000
--- a/crt/aws-c-http
+++ b/crt/aws-c-http
@@ -1 +1 @@
-Subproject commit 4e74ab1e3702763e0b87bd1752f5a37c2f0400ac
+Subproject commit 3225effefb4d6ae99e7f5edd51a55df6fc5d83fa
diff --git a/crt/aws-c-io b/crt/aws-c-io
index c345d7727..1e29ae8aa 160000
--- a/crt/aws-c-io
+++ b/crt/aws-c-io
@@ -1 +1 @@
-Subproject commit c345d77274db83c0c2e30331814093e7c84c45e2
+Subproject commit 1e29ae8aa63847220c339a7ee9903685eca7134b
diff --git a/crt/aws-c-mqtt b/crt/aws-c-mqtt
index ed7bbd68c..5edf91839 160000
--- a/crt/aws-c-mqtt
+++ b/crt/aws-c-mqtt
@@ -1 +1 @@
-Subproject commit ed7bbd68c03d7022c915a2924740ab7992ad2311
+Subproject commit 5edf91839929ed4059bc3ecc340d344c8e17f5ca
diff --git a/crt/aws-c-s3 b/crt/aws-c-s3
index 0ab4d58ef..5453f6bbd 160000
--- a/crt/aws-c-s3
+++ b/crt/aws-c-s3
@@ -1 +1 @@
-Subproject commit 0ab4d58ef0bd97970d43828cb6b57a3de5747343
+Subproject commit 5453f6bbd424f0924d5df97fdf233f40c10b321e
diff --git a/crt/aws-c-sdkutils b/crt/aws-c-sdkutils
index 4658412a6..f3f6cd10e 160000
--- a/crt/aws-c-sdkutils
+++ b/crt/aws-c-sdkutils
@@ -1 +1 @@
-Subproject commit 4658412a61ad5749db92a8d1e0717cb5e76ada1c
+Subproject commit f3f6cd10e0f8352640f557174a5ef3c62d5f6147
diff --git a/crt/aws-checksums b/crt/aws-checksums
index aac442a2d..53c112b63 160000
--- a/crt/aws-checksums
+++ b/crt/aws-checksums
@@ -1 +1 @@
-Subproject commit aac442a2dbbb5e72d0a3eca8313cf65e7e1cac2f
+Subproject commit 53c112b6315ef600a4604d4f1f9b673beb4ec8b0