diff --git a/app-backend/composer.lock b/app-backend/composer.lock
index d59bf24..099fd32 100644
--- a/app-backend/composer.lock
+++ b/app-backend/composer.lock
@@ -770,16 +770,16 @@
         },
         {
             "name": "guzzlehttp/promises",
-            "version": "2.2.0",
+            "version": "2.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "7c69f28996b0a6920945dd20b3857e499d9ca96c"
+                "reference": "481557b130ef3790cf82b713667b43030dc9c957"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/promises/zipball/7c69f28996b0a6920945dd20b3857e499d9ca96c",
-                "reference": "7c69f28996b0a6920945dd20b3857e499d9ca96c",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/481557b130ef3790cf82b713667b43030dc9c957",
+                "reference": "481557b130ef3790cf82b713667b43030dc9c957",
                 "shasum": ""
             },
             "require": {
@@ -787,7 +787,7 @@
             },
             "require-dev": {
                 "bamarni/composer-bin-plugin": "^1.8.2",
-                "phpunit/phpunit": "^8.5.39 || ^9.6.20"
+                "phpunit/phpunit": "^8.5.44 || ^9.6.25"
             },
             "type": "library",
             "extra": {
@@ -833,7 +833,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/promises/issues",
-                "source": "https://github.com/guzzle/promises/tree/2.2.0"
+                "source": "https://github.com/guzzle/promises/tree/2.3.0"
             },
             "funding": [
                 {
@@ -849,7 +849,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-03-27T13:27:01+00:00"
+            "time": "2025-08-22T14:34:08+00:00"
         },
         {
             "name": "guzzlehttp/psr7",