diff --git a/composer.lock b/composer.lock
index a9f8df0..eef254b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -62,16 +62,16 @@
         },
         {
             "name": "aws/aws-sdk-php",
-            "version": "3.356.4",
+            "version": "3.356.27",
             "source": {
                 "type": "git",
                 "url": "https://github.com/aws/aws-sdk-php.git",
-                "reference": "7bdc3c73897ae576f7d137dad70bddcd03bd4bd6"
+                "reference": "6f6b8cfdc1a1555b7a749395a79bda51910646e0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/7bdc3c73897ae576f7d137dad70bddcd03bd4bd6",
-                "reference": "7bdc3c73897ae576f7d137dad70bddcd03bd4bd6",
+                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/6f6b8cfdc1a1555b7a749395a79bda51910646e0",
+                "reference": "6f6b8cfdc1a1555b7a749395a79bda51910646e0",
                 "shasum": ""
             },
             "require": {
@@ -84,7 +84,7 @@
                 "guzzlehttp/psr7": "^2.4.5",
                 "mtdowling/jmespath.php": "^2.8.0",
                 "php": ">=8.1",
-                "psr/http-message": "^2.0"
+                "psr/http-message": "^1.0 || ^2.0"
             },
             "require-dev": {
                 "andrewsville/php-token-reflection": "^1.4",
@@ -153,9 +153,9 @@
             "support": {
                 "forum": "https://github.com/aws/aws-sdk-php/discussions",
                 "issues": "https://github.com/aws/aws-sdk-php/issues",
-                "source": "https://github.com/aws/aws-sdk-php/tree/3.356.4"
+                "source": "https://github.com/aws/aws-sdk-php/tree/3.356.27"
             },
-            "time": "2025-08-25T18:21:17+00:00"
+            "time": "2025-09-26T18:12:38+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",