diff --git a/composer.json b/composer.json
index 11f0497..71b0a53 100644
--- a/composer.json
+++ b/composer.json
@@ -36,6 +36,6 @@
         "ext-curl": "*",
         "phpmailer/phpmailer": "6.10.0",
         "grpc/grpc": "1.74.0",
-        "google/protobuf": "4.31.1"
+        "google/protobuf": "4.32.0"
     }
 }
diff --git a/composer.lock b/composer.lock
index 33d5732..b8c1675 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,27 +4,30 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ae9a1649ca9845325e451fc842a04f76",
+    "content-hash": "0c4eb897129cdcd5a595cf6112da5e15",
     "packages": [
         {
             "name": "google/protobuf",
-            "version": "v4.31.1",
+            "version": "v4.32.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/protocolbuffers/protobuf-php.git",
-                "reference": "2b028ce8876254e2acbeceea7d9b573faad41864"
+                "reference": "9a9a92ecbe9c671dc1863f6d4a91ea3ea12c8646"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/protocolbuffers/protobuf-php/zipball/2b028ce8876254e2acbeceea7d9b573faad41864",
-                "reference": "2b028ce8876254e2acbeceea7d9b573faad41864",
+                "url": "https://api.github.com/repos/protocolbuffers/protobuf-php/zipball/9a9a92ecbe9c671dc1863f6d4a91ea3ea12c8646",
+                "reference": "9a9a92ecbe9c671dc1863f6d4a91ea3ea12c8646",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.0.0"
+                "php": ">=8.1.0"
+            },
+            "provide": {
+                "ext-protobuf": "*"
             },
             "require-dev": {
-                "phpunit/phpunit": ">=5.0.0"
+                "phpunit/phpunit": ">=5.0.0 <8.5.27"
             },
             "suggest": {
                 "ext-bcmath": "Need to support JSON deserialization"
@@ -46,9 +49,9 @@
                 "proto"
             ],
             "support": {
-                "source": "https://github.com/protocolbuffers/protobuf-php/tree/v4.31.1"
+                "source": "https://github.com/protocolbuffers/protobuf-php/tree/v4.32.0"
             },
-            "time": "2025-05-28T18:52:35+00:00"
+            "time": "2025-08-14T20:00:33+00:00"
         },
         {
             "name": "grpc/grpc",