diff --git a/ports/aws-c-auth/portfile.cmake b/ports/aws-c-auth/portfile.cmake
index 8a4595840d..001b06baf3 100644
--- a/ports/aws-c-auth/portfile.cmake
+++ b/ports/aws-c-auth/portfile.cmake
@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO awslabs/aws-c-auth
     REF "v${VERSION}"
-    SHA512 33fb51894f873ea15f5676ad6e6568dd2f0665cc72cca10c7a7cfe838216ec9811400995e17b963dacc5e4e41921552a386f57b00fcb83871bd4bbfd0471266a
+    SHA512 f10209473bc417388a1f6804a10f93fb549f5b960ed4f1522c1080c4d073037f86fd3ab8c6faf8ab0f9d9603602a968f5d1000041299be6690b40cf0e1252357
     HEAD_REF main
 )
 
diff --git a/ports/aws-c-auth/vcpkg.json b/ports/aws-c-auth/vcpkg.json
index 92d2e417e0..86a80dbee3 100644
--- a/ports/aws-c-auth/vcpkg.json
+++ b/ports/aws-c-auth/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "aws-c-auth",
-  "version": "0.10.3",
+  "version": "0.10.4",
   "description": "C99 library implementation of AWS client-side authentication: standard credentials providers and signing.",
   "homepage": "https://github.com/awslabs/aws-c-auth",
   "license": "Apache-2.0",
diff --git a/versions/a-/aws-c-auth.json b/versions/a-/aws-c-auth.json
index 3c4819a405..1662fc38df 100644
--- a/versions/a-/aws-c-auth.json
+++ b/versions/a-/aws-c-auth.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "0dc80b6c3c8fc9749cb8054aa31293957655fb6d",
+      "version": "0.10.4",
+      "port-version": 0
+    },
     {
       "git-tree": "3be70b5a117111e1b6a2ec5800dd9662200dc592",
       "version": "0.10.3",
diff --git a/versions/baseline.json b/versions/baseline.json
index a42e860b2b..81da6e824d 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -457,7 +457,7 @@
       "port-version": 2
     },
     "aws-c-auth": {
-      "baseline": "0.10.3",
+      "baseline": "0.10.4",
       "port-version": 0
     },
     "aws-c-cal": {