diff --git a/ports/aws-c-s3/portfile.cmake b/ports/aws-c-s3/portfile.cmake
index 98f1e82653..592f8a24c3 100644
--- a/ports/aws-c-s3/portfile.cmake
+++ b/ports/aws-c-s3/portfile.cmake
@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO awslabs/aws-c-s3
     REF "v${VERSION}"
-    SHA512 f32ab9ce07245de26fdf780fc39fb74380837ec99bdc2094e6299f72291b0b029042889a7f5a83e0b22897533f42c90dd0cb1979263f448d4fc259a7ab5cdee4
+    SHA512 dea6e7e03ae045d1f09cce67e4099127f1bfaa3b7397c9576146ebf2f31cfbb00781537f75805a829100927e529b35908bd909ad8e30d345054bd8b5d86f767a
     HEAD_REF master
 )
 
diff --git a/ports/aws-c-s3/vcpkg.json b/ports/aws-c-s3/vcpkg.json
index 32f089111f..248c41e418 100644
--- a/ports/aws-c-s3/vcpkg.json
+++ b/ports/aws-c-s3/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "aws-c-s3",
-  "version": "0.11.4",
+  "version": "0.11.5",
   "description": "C99 library implementation for communicating with the S3 service, designed for maximizing throughput on high bandwidth EC2 instances.",
   "homepage": "https://github.com/awslabs/aws-c-s3",
   "license": "Apache-2.0",
diff --git a/versions/a-/aws-c-s3.json b/versions/a-/aws-c-s3.json
index fba585ba0c..66f5999ba5 100644
--- a/versions/a-/aws-c-s3.json
+++ b/versions/a-/aws-c-s3.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "6c3ec37af80cf737ae0d9e9beca04207b232a667",
+      "version": "0.11.5",
+      "port-version": 0
+    },
     {
       "git-tree": "ebaf3465383807a1880dcbe7bb57582f08648654",
       "version": "0.11.4",
diff --git a/versions/baseline.json b/versions/baseline.json
index f245b791e1..b1818390aa 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -473,7 +473,7 @@
       "port-version": 0
     },
     "aws-c-s3": {
-      "baseline": "0.11.4",
+      "baseline": "0.11.5",
       "port-version": 0
     },
     "aws-c-sdkutils": {