diff --git a/php/composer.lock b/php/composer.lock
index 881d4bf9..019aa847 100644
--- a/php/composer.lock
+++ b/php/composer.lock
@@ -64,22 +64,22 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "7.11.2",
+            "version": "7.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "bf5f35ad4b774b9d7c5766c02035e865e7e3fdab"
+                "reference": "eaa81598031cf57a9e36258c8546defffc994cba"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/bf5f35ad4b774b9d7c5766c02035e865e7e3fdab",
-                "reference": "bf5f35ad4b774b9d7c5766c02035e865e7e3fdab",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/eaa81598031cf57a9e36258c8546defffc994cba",
+                "reference": "eaa81598031cf57a9e36258c8546defffc994cba",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
                 "guzzlehttp/promises": "^2.5",
-                "guzzlehttp/psr7": "^2.11",
+                "guzzlehttp/psr7": "^2.12",
                 "php": "^7.2.5 || ^8.0",
                 "psr/http-client": "^1.0",
                 "symfony/deprecation-contracts": "^2.5 || ^3.0",
@@ -172,7 +172,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/guzzle/issues",
-                "source": "https://github.com/guzzle/guzzle/tree/7.11.2"
+                "source": "https://github.com/guzzle/guzzle/tree/7.12.0"
             },
             "funding": [
                 {
@@ -188,7 +188,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-06-12T21:49:57+00:00"
+            "time": "2026-06-16T22:11:48+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -276,16 +276,16 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.11.1",
+            "version": "2.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "640e2897bbee822dbc8af761d49e1a29b1f2a6b1"
+                "reference": "9b38012e7b54f594707e6db52c684dc0a74b3a43"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/640e2897bbee822dbc8af761d49e1a29b1f2a6b1",
-                "reference": "640e2897bbee822dbc8af761d49e1a29b1f2a6b1",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/9b38012e7b54f594707e6db52c684dc0a74b3a43",
+                "reference": "9b38012e7b54f594707e6db52c684dc0a74b3a43",
                 "shasum": ""
             },
             "require": {
@@ -375,7 +375,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.11.1"
+                "source": "https://github.com/guzzle/psr7/tree/2.12.0"
             },
             "funding": [
                 {
@@ -391,7 +391,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-06-12T21:50:12+00:00"
+            "time": "2026-06-16T21:50:11+00:00"
         },
         {
             "name": "http-interop/http-factory-guzzle",