diff --git a/php_laravel_chat_tutorial/app/composer.lock b/php_laravel_chat_tutorial/app/composer.lock
index f53c9bd..a3a2503 100644
--- a/php_laravel_chat_tutorial/app/composer.lock
+++ b/php_laravel_chat_tutorial/app/composer.lock
@@ -625,25 +625,25 @@
         },
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+            "version": "7.4.5",
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-                "reference": "868b3571a039f0ebc11ac8f344f4080babe2cb94"
+                "reference": "1dd98b0564cb3f6bd16ce683cb755f94c10fbd82"
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-                "reference": "868b3571a039f0ebc11ac8f344f4080babe2cb94",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/1dd98b0564cb3f6bd16ce683cb755f94c10fbd82",
+                "reference": "1dd98b0564cb3f6bd16ce683cb755f94c10fbd82",
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-                "guzzlehttp/psr7": "^1.8.3 || ^2.1",
+                "guzzlehttp/psr7": "^1.9 || ^2.4",
                 "php": "^7.2.5 || ^8.0",
                 "psr/http-client": "^1.0",
-                "symfony/deprecation-contracts": "^2.2"
+                "symfony/deprecation-contracts": "^2.2 || ^3.0"
             },
             "provide": {
                 "psr/http-client-implementation": "1.0"
@@ -667,12 +667,12 @@
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             },
             "autoload": {
-                "psr-4": {
-                    "GuzzleHttp\\": "src/"
-                },
                 "files": [
                     "src/functions_include.php"
-                ]
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\": "src/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -729,7 +729,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/guzzle/issues",
-                "source": "https://github.com/guzzle/guzzle/tree/7.4.0"
+                "source": "https://github.com/guzzle/guzzle/tree/7.4.5"
             },
             "funding": [
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@@ -745,7 +745,7 @@
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-            "time": "2021-10-18T09:52:00+00:00"
+            "time": "2022-06-20T22:16:13+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -774,12 +774,12 @@
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-                "psr-4": {
-                    "GuzzleHttp\\Promise\\": "src/"
-                },
                 "files": [
                     "src/functions_include.php"
-                ]
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\Promise\\": "src/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -833,16 +833,16 @@
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-            "version": "2.1.0",
+            "version": "2.4.0",
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                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "089edd38f5b8abba6cb01567c2a8aaa47cec4c72"
+                "reference": "13388f00956b1503577598873fffb5ae994b5737"
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-                "reference": "089edd38f5b8abba6cb01567c2a8aaa47cec4c72",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/13388f00956b1503577598873fffb5ae994b5737",
+                "reference": "13388f00956b1503577598873fffb5ae994b5737",
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@@ -866,7 +866,7 @@
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+                    "dev-master": "2.4-dev"
                 }
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             "autoload": {
@@ -928,7 +928,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.1.0"
+                "source": "https://github.com/guzzle/psr7/tree/2.4.0"
             },
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                 {
@@ -944,7 +944,7 @@
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             ],
-            "time": "2021-10-06T17:43:30+00:00"
+            "time": "2022-06-20T21:43:11+00:00"
         },
         {
             "name": "laravel/framework",
@@ -2837,16 +2837,16 @@
         },
         {
             "name": "symfony/deprecation-contracts",
-            "version": "v2.5.0",
+            "version": "v2.5.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/deprecation-contracts.git",
-                "reference": "6f981ee24cf69ee7ce9736146d1c57c2780598a8"
+                "reference": "e8b495ea28c1d97b5e0c121748d6f9b53d075c66"
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             "dist": {
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-                "reference": "6f981ee24cf69ee7ce9736146d1c57c2780598a8",
+                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/e8b495ea28c1d97b5e0c121748d6f9b53d075c66",
+                "reference": "e8b495ea28c1d97b5e0c121748d6f9b53d075c66",
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             "require": {
@@ -2884,7 +2884,7 @@
             "description": "A generic function and convention to trigger deprecation notices",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/deprecation-contracts/tree/v2.5.0"
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v2.5.1"
             },
             "funding": [
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@@ -2900,7 +2900,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-07-12T14:48:14+00:00"
+            "time": "2022-01-02T09:53:40+00:00"
         },
         {
             "name": "symfony/error-handler",
@@ -7706,5 +7706,5 @@
         "php": "^7.3|^8.0"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.2.0"
+    "plugin-api-version": "2.3.0"
 }