diff --git a/composer.json b/composer.json
index c7aae66..bfe861f 100644
--- a/composer.json
+++ b/composer.json
@@ -1,8 +1,7 @@
 {
     "name": "lotgd/core",
     "description": "Core functionality for Legend of the Green Dragon, a text-based RPG game.",
-    "license": "AGPL-3.0",
-    "version": "0.6.0",
+    "license": "AGPL-3.0-or-later",
     "autoload": {
         "psr-4": {
             "LotGD\\Core\\": "src/",
@@ -13,18 +12,17 @@
         "bin/daenerys"
     ],
     "require": {
-        "php": "^8.0.0",
+        "php": "^8.0",
         "ext-pdo": "*",
-        "composer/composer": "*",
-        "gedmo/doctrine-extensions": "*",
+        "composer/composer": "^1.10|^2.0",
+        "gedmo/doctrine-extensions": "^2.3|^3.0",
         "doctrine/orm": "^2.8",
         "doctrine/common": "^3.0",
-        "monolog/monolog": "*",
-        "symfony/console": "*",
-        "symfony/yaml": "*",
-        "d11wtq/boris": "*",
-        "ramsey/uuid-doctrine": "*",
-        "jetbrains/phpstorm-attributes": "*"
+        "monolog/monolog": "^2.0",
+        "symfony/console": "^5.0",
+        "symfony/yaml": "^5.0",
+        "ramsey/uuid-doctrine": "^1.5",
+        "jetbrains/phpstorm-attributes": "^1.0"
     },
     "repositories": [
         {
diff --git a/composer.lock b/composer.lock
index 5f7f7b0..7d100f2 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": "e334149a757d64088235328e16c3df50",
+    "content-hash": "9cab3ccd48d3179741e9597ca856fb08",
     "packages": [
         {
             "name": "brick/math",
@@ -530,46 +530,6 @@
             ],
             "time": "2020-11-13T08:04:11+00:00"
         },
-        {
-            "name": "d11wtq/boris",
-            "version": "v1.0.10",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/borisrepl/boris.git",
-                "reference": "31055b15e2d3fe47f31f6aa8e277f8f3fc7eb483"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/borisrepl/boris/zipball/31055b15e2d3fe47f31f6aa8e277f8f3fc7eb483",
-                "reference": "31055b15e2d3fe47f31f6aa8e277f8f3fc7eb483",
-                "shasum": ""
-            },
-            "require": {
-                "ext-pcntl": "*",
-                "ext-posix": "*",
-                "ext-readline": "*",
-                "php": ">=5.3.0"
-            },
-            "bin": [
-                "bin/boris"
-            ],
-            "type": "library",
-            "autoload": {
-                "psr-0": {
-                    "Boris": "lib"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "description": "A tiny, but robust REPL (Read-Evaluate-Print-Loop) for PHP.",
-            "support": {
-                "issues": "https://github.com/borisrepl/boris/issues",
-                "source": "https://github.com/borisrepl/boris/tree/v1.0.10"
-            },
-            "time": "2015-03-01T08:05:19+00:00"
-        },
         {
             "name": "doctrine/annotations",
             "version": "1.11.1",
@@ -5942,7 +5902,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.0.0",
+        "php": "^8.0",
         "ext-pdo": "*"
     },
     "platform-dev": [],