diff --git a/composer.json b/composer.json
index 9663f372..00e4f3b4 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
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     "phpstan/phpstan-deprecation-rules": "~0.12.6",
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-    "phpunit/phpunit": "^8.5.20",
+    "phpunit/phpunit": "^8.5.21",
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diff --git a/composer.lock b/composer.lock
index 64871c2b..008c39b0 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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-    "content-hash": "27722ed91dc8790580b99a1f1801d77a",
+    "content-hash": "7ce27bb9954e370bf6052481d93be3cc",
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@@ -2154,16 +2154,16 @@
         },
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-            "version": "1.4.0",
+            "version": "1.5.0",
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                 "url": "https://github.com/phpDocumentor/TypeResolver.git",
-                "reference": "6a467b8989322d92aa1c8bf2bebcc6e5c2ba55c0"
+                "reference": "30f38bffc6f24293dadd1823936372dfa9e86e2f"
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-                "reference": "6a467b8989322d92aa1c8bf2bebcc6e5c2ba55c0",
+                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/30f38bffc6f24293dadd1823936372dfa9e86e2f",
+                "reference": "30f38bffc6f24293dadd1823936372dfa9e86e2f",
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@@ -2171,7 +2171,8 @@
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-                "ext-tokenizer": "*"
+                "ext-tokenizer": "*",
+                "psalm/phar": "^4.8"
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@@ -2197,39 +2198,39 @@
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-                "source": "https://github.com/phpDocumentor/TypeResolver/tree/1.4.0"
+                "source": "https://github.com/phpDocumentor/TypeResolver/tree/1.5.0"
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-            "time": "2020-09-17T18:55:26+00:00"
+            "time": "2021-09-17T15:28:14+00:00"
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-            "version": "1.13.0",
+            "version": "1.14.0",
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-                "reference": "be1996ed8adc35c3fd795488a653f4b518be70ea"
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-                "reference": "be1996ed8adc35c3fd795488a653f4b518be70ea",
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+                "reference": "d86dfc2e2a3cd366cee475e52c6bb3bbc371aa0e",
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             "require": {
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-                "php": "^7.2 || ~8.0, <8.1",
+                "php": "^7.2 || ~8.0, <8.2",
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                 "sebastian/recursion-context": "^3.0 || ^4.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^6.0",
+                "phpspec/phpspec": "^6.0 || ^7.0",
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-                    "dev-master": "1.11.x-dev"
+                    "dev-master": "1.x-dev"
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@@ -2264,9 +2265,9 @@
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-                "source": "https://github.com/phpspec/prophecy/tree/1.13.0"
+                "source": "https://github.com/phpspec/prophecy/tree/1.14.0"
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-            "time": "2021-03-17T13:42:18+00:00"
+            "time": "2021-09-10T09:02:12+00:00"
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@@ -2777,16 +2778,16 @@
         },
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+            "version": "8.5.21",
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-                "reference": "9deefba183198398a09b927a6ac6bc1feb0b7b70"
+                "reference": "50a58a60b85947b0bee4c8ecfe0f4bbdcf20e984"
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-                "reference": "9deefba183198398a09b927a6ac6bc1feb0b7b70",
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@@ -2858,7 +2859,7 @@
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-                "source": "https://github.com/sebastianbergmann/phpunit/tree/8.5.20"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/8.5.21"
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@@ -2870,7 +2871,7 @@
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             ],
-            "time": "2021-08-31T06:44:38+00:00"
+            "time": "2021-09-25T07:37:20+00:00"
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