diff --git a/composer.lock b/composer.lock
index b0c5a1e..243db59 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "4d28a6b0720740b9d075de961352070c",
+    "content-hash": "0990b793253279b8556539647a75918e",
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     "packages-dev": [
         {
@@ -773,29 +773,29 @@
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "4.0.4",
+            "version": "3.1.2",
             "source": {
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                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "a853a0e183b9db7eed023d7933a858fa1c8d25a3"
+                "reference": "472b687829041c24b25f475e14c2f38a09edf1c2"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/a853a0e183b9db7eed023d7933a858fa1c8d25a3",
-                "reference": "a853a0e183b9db7eed023d7933a858fa1c8d25a3",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/472b687829041c24b25f475e14c2f38a09edf1c2",
+                "reference": "472b687829041c24b25f475e14c2f38a09edf1c2",
                 "shasum": ""
             },
             "require": {
                 "ext-tokenizer": "*",
-                "php": "^7.3 || ^8.0"
+                "php": ">=7.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "^9.0"
+                "phpunit/phpunit": "^7.0"
             },
             "type": "library",
             "extra": {
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-                    "dev-master": "4.0-dev"
+                    "dev-master": "3.1-dev"
                 }
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@@ -820,7 +820,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/php-token-stream/issues",
-                "source": "https://github.com/sebastianbergmann/php-token-stream/tree/master"
+                "source": "https://github.com/sebastianbergmann/php-token-stream/tree/3.1.2"
             },
             "funding": [
                 {
@@ -829,7 +829,7 @@
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             ],
             "abandoned": true,
-            "time": "2020-08-04T08:28:15+00:00"
+            "time": "2020-11-30T08:38:46+00:00"
         },
         {
             "name": "phpunit/phpunit",