diff --git a/php/composer.lock b/php/composer.lock
index ceef20e6..2415f602 100644
--- a/php/composer.lock
+++ b/php/composer.lock
@@ -274,16 +274,16 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.10.1",
+            "version": "2.10.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "73ab136360b5dfd858006eae9795e8fe43c80361"
+                "reference": "7c1472269227dc6f18930bd903d7a88fe6c52130"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/73ab136360b5dfd858006eae9795e8fe43c80361",
-                "reference": "73ab136360b5dfd858006eae9795e8fe43c80361",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/7c1472269227dc6f18930bd903d7a88fe6c52130",
+                "reference": "7c1472269227dc6f18930bd903d7a88fe6c52130",
                 "shasum": ""
             },
             "require": {
@@ -371,7 +371,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.10.1"
+                "source": "https://github.com/guzzle/psr7/tree/2.10.3"
             },
             "funding": [
                 {
@@ -387,7 +387,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-05-20T09:27:36+00:00"
+            "time": "2026-05-27T11:48:20+00:00"
         },
         {
             "name": "http-interop/http-factory-guzzle",