diff --git a/composer.json b/composer.json
index b7a0729..795bba4 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,6 @@
     },
     "require": {
         "php": ">=7.4",
-        "chillerlan/php-qrcode": "4.3.1",
         "ext-imagick": "*"
     },
     "require-dev": {
diff --git a/composer.lock b/composer.lock
index 8971953..eb800dd 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,150 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
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-    "packages": [
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-            "name": "chillerlan/php-qrcode",
-            "version": "4.3.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/chillerlan/php-qrcode.git",
-                "reference": "be3beb936c21fe53a4e7e8f7f3582e9f02443666"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/chillerlan/php-qrcode/zipball/be3beb936c21fe53a4e7e8f7f3582e9f02443666",
-                "reference": "be3beb936c21fe53a4e7e8f7f3582e9f02443666",
-                "shasum": ""
-            },
-            "require": {
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-                "ext-mbstring": "*",
-                "php": "^7.4 || ^8.0"
-            },
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-                "phan/phan": "^3.2.2",
-                "phpunit/phpunit": "^9.5",
-                "setasign/fpdf": "^1.8.2"
-            },
-            "suggest": {
-                "chillerlan/php-authenticator": "Yet another Google authenticator! Also creates URIs for mobile apps.",
-                "setasign/fpdf": "Required to use the QR FPDF output."
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "chillerlan\\QRCode\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Kazuhiko Arase",
-                    "homepage": "https://github.com/kazuhikoarase"
-                },
-                {
-                    "name": "Smiley",
-                    "email": "smiley@chillerlan.net",
-                    "homepage": "https://github.com/codemasher"
-                },
-                {
-                    "name": "Contributors",
-                    "homepage": "https://github.com/chillerlan/php-qrcode/graphs/contributors"
-                }
-            ],
-            "description": "A QR code generator. PHP 7.4+",
-            "homepage": "https://github.com/chillerlan/php-qrcode",
-            "keywords": [
-                "phpqrcode",
-                "qr",
-                "qr code",
-                "qrcode",
-                "qrcode-generator"
-            ],
-            "support": {
-                "issues": "https://github.com/chillerlan/php-qrcode/issues",
-                "source": "https://github.com/chillerlan/php-qrcode/tree/4.3.1"
-            },
-            "funding": [
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-                    "url": "https://www.paypal.com/donate?hosted_button_id=WLYUNAT9ZTJZ4",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://ko-fi.com/codemasher",
-                    "type": "ko_fi"
-                }
-            ],
-            "time": "2021-01-05T21:21:28+00:00"
-        },
-        {
-            "name": "chillerlan/php-settings-container",
-            "version": "2.1.2",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/chillerlan/php-settings-container.git",
-                "reference": "ec834493a88682dd69652a1eeaf462789ed0c5f5"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/chillerlan/php-settings-container/zipball/ec834493a88682dd69652a1eeaf462789ed0c5f5",
-                "reference": "ec834493a88682dd69652a1eeaf462789ed0c5f5",
-                "shasum": ""
-            },
-            "require": {
-                "ext-json": "*",
-                "php": "^7.4 || ^8.0"
-            },
-            "require-dev": {
-                "phan/phan": "^4.0",
-                "phpunit/phpunit": "^9.5"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "chillerlan\\Settings\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Smiley",
-                    "email": "smiley@chillerlan.net",
-                    "homepage": "https://github.com/codemasher"
-                }
-            ],
-            "description": "A container class for immutable settings objects. Not a DI container. PHP 7.4+",
-            "homepage": "https://github.com/chillerlan/php-settings-container",
-            "keywords": [
-                "PHP7",
-                "Settings",
-                "container",
-                "helper"
-            ],
-            "support": {
-                "issues": "https://github.com/chillerlan/php-settings-container/issues",
-                "source": "https://github.com/chillerlan/php-settings-container"
-            },
-            "funding": [
-                {
-                    "url": "https://www.paypal.com/donate?hosted_button_id=WLYUNAT9ZTJZ4",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://ko-fi.com/codemasher",
-                    "type": "ko_fi"
-                }
-            ],
-            "time": "2021-09-06T15:17:01+00:00"
-        }
-    ],
+    "content-hash": "e6eb66ae6246bb7d886825d41aa4f37a",
+    "packages": [],
     "packages-dev": [
         {
             "name": "amphp/amp",