diff --git a/ports/aws-crt-cpp/portfile.cmake b/ports/aws-crt-cpp/portfile.cmake
index 7a7c9ce654..233f3fec7a 100644
--- a/ports/aws-crt-cpp/portfile.cmake
+++ b/ports/aws-crt-cpp/portfile.cmake
@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO awslabs/aws-crt-cpp
     REF "v${VERSION}"
-    SHA512 7afbf33526190da637c1d137c436d30b511e66fbd224bc0128411c4226c62dd3f3603550bc7cfed73e944caf6ad23f8c5313cc7d45482f33782a0838c7dc2681
+    SHA512 318496a5823a802b8eb619eb1a42816efb2508d097168a5f4d73169c01ebfdfbe470739f35712a77a1e486408f8de4440e5b7483a8ca334c69571c6ceef459c6
 )
 
 string(COMPARE EQUAL "${VCPKG_CRT_LINKAGE}" "static" STATIC_CRT)
diff --git a/ports/aws-crt-cpp/vcpkg.json b/ports/aws-crt-cpp/vcpkg.json
index d6d6e527bd..4d8da8b954 100644
--- a/ports/aws-crt-cpp/vcpkg.json
+++ b/ports/aws-crt-cpp/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "aws-crt-cpp",
-  "version": "0.42.1",
+  "version": "0.42.3",
   "description": "C++ wrapper around the aws-c-* libraries. Provides Cross-Platform Transport Protocols and SSL/TLS implementations for C++.",
   "homepage": "https://github.com/awslabs/aws-crt-cpp",
   "license": "Apache-2.0",
diff --git a/versions/a-/aws-crt-cpp.json b/versions/a-/aws-crt-cpp.json
index 100258bdb6..b5b2d616b0 100644
--- a/versions/a-/aws-crt-cpp.json
+++ b/versions/a-/aws-crt-cpp.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "355bdfb27a30b65b060d4ea5c14321696fa9407f",
+      "version": "0.42.3",
+      "port-version": 0
+    },
     {
       "git-tree": "7f90a5b31694c68b366430b7be039ad25c15f136",
       "version": "0.42.1",
diff --git a/versions/baseline.json b/versions/baseline.json
index 1f23371112..6ac21316e4 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -501,7 +501,7 @@
       "port-version": 0
     },
     "aws-crt-cpp": {
-      "baseline": "0.42.1",
+      "baseline": "0.42.3",
       "port-version": 0
     },
     "aws-lambda-cpp": {