diff --git a/php/composer.lock b/php/composer.lock
index 44397acf..263750f5 100644
--- a/php/composer.lock
+++ b/php/composer.lock
@@ -273,16 +273,16 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.8.0",
+            "version": "2.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "21dc724a0583619cd1652f673303492272778051"
+                "reference": "718f1ee6a878be5290af3557aeda0c91278361d9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/21dc724a0583619cd1652f673303492272778051",
-                "reference": "21dc724a0583619cd1652f673303492272778051",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/718f1ee6a878be5290af3557aeda0c91278361d9",
+                "reference": "718f1ee6a878be5290af3557aeda0c91278361d9",
                 "shasum": ""
             },
             "require": {
@@ -369,7 +369,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.8.0"
+                "source": "https://github.com/guzzle/psr7/tree/2.8.1"
             },
             "funding": [
                 {
@@ -385,7 +385,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-08-23T21:21:41+00:00"
+            "time": "2026-03-10T09:55:26+00:00"
         },
         {
             "name": "http-interop/http-factory-guzzle",