diff --git a/php/composer.lock b/php/composer.lock
index 7fe6798b..5bf60037 100644
--- a/php/composer.lock
+++ b/php/composer.lock
@@ -220,16 +220,16 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.4.2",
+            "version": "2.4.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "3148458748274be1546f8f2809a6c09fe66f44aa"
+                "reference": "67c26b443f348a51926030c83481b85718457d3d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/3148458748274be1546f8f2809a6c09fe66f44aa",
-                "reference": "3148458748274be1546f8f2809a6c09fe66f44aa",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/67c26b443f348a51926030c83481b85718457d3d",
+                "reference": "67c26b443f348a51926030c83481b85718457d3d",
                 "shasum": ""
             },
             "require": {
@@ -319,7 +319,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.4.2"
+                "source": "https://github.com/guzzle/psr7/tree/2.4.3"
             },
             "funding": [
                 {
@@ -335,7 +335,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-10-25T13:49:28+00:00"
+            "time": "2022-10-26T14:07:24+00:00"
         },
         {
             "name": "http-interop/http-factory-guzzle",