diff --git a/php/example_code/bedrock-runtime/BedrockRuntimeService.php b/php/example_code/bedrock-runtime/BedrockRuntimeService.php
index 1940fbe2c38..b035b9beb93 100644
--- a/php/example_code/bedrock-runtime/BedrockRuntimeService.php
+++ b/php/example_code/bedrock-runtime/BedrockRuntimeService.php
@@ -149,7 +149,7 @@ public function invokeStableDiffusion(string $prompt, int $seed, string $style_p
         $base64_image_data = "";
 
         try {
-            $modelId = 'stability.stable-diffusion-xl';
+            $modelId = 'stability.stable-diffusion-xl-v1';
 
             $body = [
                 'text_prompts' => [
diff --git a/php/example_code/bedrock-runtime/composer.json b/php/example_code/bedrock-runtime/composer.json
index 0ddc96ac8ad..c9c4018ad15 100644
--- a/php/example_code/bedrock-runtime/composer.json
+++ b/php/example_code/bedrock-runtime/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "aws/aws-sdk-php": "^3.286",
+        "aws/aws-sdk-php": "^3.321",
         "guzzlehttp/guzzle": "^7.8"
     },
     "autoload": {
diff --git a/php/example_code/bedrock-runtime/composer.lock b/php/example_code/bedrock-runtime/composer.lock
index 9b4e76abcda..c0bf583717a 100644
--- a/php/example_code/bedrock-runtime/composer.lock
+++ b/php/example_code/bedrock-runtime/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "100037ca4a3caf50e3f383e2b925fce4",
+    "content-hash": "ad69c52758d03289f930a5fedc6793f4",
     "packages": [
         {
             "name": "aws/aws-crt-php",
@@ -62,16 +62,16 @@
         },
         {
             "name": "aws/aws-sdk-php",
-            "version": "3.288.1",
+            "version": "3.321.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/aws/aws-sdk-php.git",
-                "reference": "a1dfa12c7165de0b731ae8074c4ba1f3ae733f89"
+                "reference": "3dc53a79677dd1f0e682dfc05f9815901ec7bf58"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/a1dfa12c7165de0b731ae8074c4ba1f3ae733f89",
-                "reference": "a1dfa12c7165de0b731ae8074c4ba1f3ae733f89",
+                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/3dc53a79677dd1f0e682dfc05f9815901ec7bf58",
+                "reference": "3dc53a79677dd1f0e682dfc05f9815901ec7bf58",
                 "shasum": ""
             },
             "require": {
@@ -124,7 +124,10 @@
                 ],
                 "psr-4": {
                     "Aws\\": "src/"
-                }
+                },
+                "exclude-from-classmap": [
+                    "src/data/"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -151,9 +154,9 @@
             "support": {
                 "forum": "https://forums.aws.amazon.com/forum.jspa?forumID=80",
                 "issues": "https://github.com/aws/aws-sdk-php/issues",
-                "source": "https://github.com/aws/aws-sdk-php/tree/3.288.1"
+                "source": "https://github.com/aws/aws-sdk-php/tree/3.321.6"
             },
-            "time": "2023-11-22T19:35:38+00:00"
+            "time": "2024-09-06T18:06:38+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
diff --git a/php/example_code/bedrock-runtime/tests/BedrockRuntimeTests.php b/php/example_code/bedrock-runtime/tests/BedrockRuntimeTests.php
index 4330cd86546..311ece040b5 100644
--- a/php/example_code/bedrock-runtime/tests/BedrockRuntimeTests.php
+++ b/php/example_code/bedrock-runtime/tests/BedrockRuntimeTests.php
@@ -24,7 +24,7 @@ class BedrockRuntimeTests extends TestCase
     public function setup(): void
     {
         $clientArgs = [
-            'region' => 'us-west-2',
+            'region' => 'us-east-1',
             'version' => 'latest',
             'profile' => 'default',
         ];
diff --git a/php/example_code/bedrock/composer.json b/php/example_code/bedrock/composer.json
index c4754c20083..ab2df3b05d3 100644
--- a/php/example_code/bedrock/composer.json
+++ b/php/example_code/bedrock/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "aws/aws-sdk-php": "^3.286",
+        "aws/aws-sdk-php": "^3.321",
         "guzzlehttp/guzzle": "^7.8"
     },
     "autoload": {
diff --git a/php/example_code/bedrock/composer.lock b/php/example_code/bedrock/composer.lock
index 9b4e76abcda..c0bf583717a 100644
--- a/php/example_code/bedrock/composer.lock
+++ b/php/example_code/bedrock/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "100037ca4a3caf50e3f383e2b925fce4",
+    "content-hash": "ad69c52758d03289f930a5fedc6793f4",
     "packages": [
         {
             "name": "aws/aws-crt-php",
@@ -62,16 +62,16 @@
         },
         {
             "name": "aws/aws-sdk-php",
-            "version": "3.288.1",
+            "version": "3.321.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/aws/aws-sdk-php.git",
-                "reference": "a1dfa12c7165de0b731ae8074c4ba1f3ae733f89"
+                "reference": "3dc53a79677dd1f0e682dfc05f9815901ec7bf58"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/a1dfa12c7165de0b731ae8074c4ba1f3ae733f89",
-                "reference": "a1dfa12c7165de0b731ae8074c4ba1f3ae733f89",
+                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/3dc53a79677dd1f0e682dfc05f9815901ec7bf58",
+                "reference": "3dc53a79677dd1f0e682dfc05f9815901ec7bf58",
                 "shasum": ""
             },
             "require": {
@@ -124,7 +124,10 @@
                 ],
                 "psr-4": {
                     "Aws\\": "src/"
-                }
+                },
+                "exclude-from-classmap": [
+                    "src/data/"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -151,9 +154,9 @@
             "support": {
                 "forum": "https://forums.aws.amazon.com/forum.jspa?forumID=80",
                 "issues": "https://github.com/aws/aws-sdk-php/issues",
-                "source": "https://github.com/aws/aws-sdk-php/tree/3.288.1"
+                "source": "https://github.com/aws/aws-sdk-php/tree/3.321.6"
             },
-            "time": "2023-11-22T19:35:38+00:00"
+            "time": "2024-09-06T18:06:38+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",