diff --git a/composer.lock b/composer.lock
index 22269dc..f1e9025 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"
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+    "content-hash": "19e4d0ff8c9f4980e619e2029a0a5410",
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@@ -179,61 +179,6 @@
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-                "reference": "d1a5d884e072b8cafbff802d07766076eb2ffcb0",
-                "shasum": ""
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-                "php": ">=5.5",
-                "psr/container": "^1.0"
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-            "require-dev": {
-                "league/container": "~2.3",
-                "phpunit/phpunit": "~4.3",
-                "squizlabs/php_codesniffer": "~2.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "League\\Tactician\\Container\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Nigel Greenway",
-                    "homepage": "http://futurepixels.co.uk"
-                }
-            ],
-            "description": "Tactician integration for any container implementing PSR-11",
-            "keywords": [
-                "container",
-                "container-interop",
-                "di",
-                "interoperable",
-                "league",
-                "tactician"
-            ],
-            "support": {
-                "issues": "https://github.com/thephpleague/tactician-container/issues",
-                "source": "https://github.com/thephpleague/tactician-container/tree/master"
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-            "time": "2017-04-13T06:27:12+00:00"
-        },
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             "name": "psr/container",
             "version": "1.0.0",
@@ -943,16 +888,16 @@
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+            "version": "0.21.1",
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+                "reference": "3248417c831cc7953aac105440f82e4aaea17edf"
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-                "reference": "dfacb1e3d9def7fd34c6fb8df4d4bd098815dc82",
+                "url": "https://api.github.com/repos/infection/infection/zipball/3248417c831cc7953aac105440f82e4aaea17edf",
+                "reference": "3248417c831cc7953aac105440f82e4aaea17edf",
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             "require": {
@@ -1052,7 +997,7 @@
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             "support": {
                 "issues": "https://github.com/infection/infection/issues",
-                "source": "https://github.com/infection/infection/tree/0.21.0"
+                "source": "https://github.com/infection/infection/tree/0.21.1"
             },
             "funding": [
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@@ -1064,7 +1009,7 @@
                     "type": "open_collective"
                 }
             ],
-            "time": "2021-01-26T22:10:01+00:00"
+            "time": "2021-02-22T13:03:48+00:00"
         },
         {
             "name": "justinrainbow/json-schema",