diff --git a/composer.lock b/composer.lock
index 2182dd3..c1e70a9 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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@@ -287,16 +287,16 @@
         },
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             "name": "google/protobuf",
-            "version": "v3.13.0",
+            "version": "v3.19.4",
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                 "url": "https://github.com/protocolbuffers/protobuf-php.git",
-                "reference": "fddc6c2439b190284f207143f6d37bf5b651cea6"
+                "reference": "6f0a54186f133aff98f49d0f36a32d4a4f7d4cbd"
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-                "reference": "fddc6c2439b190284f207143f6d37bf5b651cea6",
+                "url": "https://api.github.com/repos/protocolbuffers/protobuf-php/zipball/6f0a54186f133aff98f49d0f36a32d4a4f7d4cbd",
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@@ -324,7 +324,7 @@
             "keywords": [
                 "proto"
             ],
-            "time": "2020-08-15T00:44:58+00:00"
+            "time": "2022-01-28T17:23:32+00:00"
         },
         {
             "name": "grpc/grpc",
@@ -521,12 +521,12 @@
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             "autoload": {
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-                    "GuzzleHttp\\Psr7\\": "src/"
-                },
                 "files": [
                     "src/functions_include.php"
-                ]
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\Psr7\\": "src/"
+                }
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             "notification-url": "https://packagist.org/downloads/",
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@@ -771,12 +771,12 @@
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-                "psr-4": {
-                    "Symfony\\Polyfill\\Intl\\Idn\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
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+                }
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@@ -853,12 +853,12 @@
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-                },
                 "files": [
                     "bootstrap.php"
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+                "psr-4": {
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+                },
                 "classmap": [
                     "Resources/stubs"
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@@ -1008,12 +1008,12 @@
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             "autoload": {
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-                    "Symfony\\Polyfill\\Php72\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php72\\": ""
+                }
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             "notification-url": "https://packagist.org/downloads/",
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