diff --git a/.codacy.yml b/.codacy.yml
new file mode 100644
index 0000000..f27de9c
--- /dev/null
+++ b/.codacy.yml
@@ -0,0 +1,5 @@
+exclude_paths:
+  - ".github/**"
+  - "example/**"
+  - "test/**"
+
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cdf81c1..aaaeb0e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,9 +10,6 @@ permissions:
 
 jobs:
   composer:
-    permissions:
-      contents: read
-      actions: write
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -41,6 +38,7 @@ jobs:
         with:
           name: build-artifact-${{ matrix.php }}
           path: /tmp/github-actions
+          retention-days: 1
 
   phpunit:
     runs-on: ubuntu-latest
@@ -170,21 +168,3 @@ jobs:
           php_version: ${{ matrix.php }}
           path: src/
           standard: phpcs.xml
-
-  remove_old_artifacts:
-    runs-on: ubuntu-latest
-
-    permissions:
-      actions: write
-
-    steps:
-      - name: Remove old artifacts for prior workflow runs on this repository
-        env:
-          GH_TOKEN: ${{ github.token }}
-        run: |
-          gh api "/repos/${{ github.repository }}/actions/artifacts" | jq ".artifacts[] | select(.name | startswith(\"build-artifact\")) | .id" > artifact-id-list.txt
-          while read id
-          do
-            echo -n "Deleting artifact ID $id ... "
-            gh api --method DELETE /repos/${{ github.repository }}/actions/artifacts/$id && echo "Done"
-          done <artifact-id-list.txt
diff --git a/README.md b/README.md
index 5581dae..1813b03 100644
--- a/README.md
+++ b/README.md
@@ -11,10 +11,10 @@ Documentation: https://php.gt/docs/config
 <a href="https://github.com/PhpGt/Config/actions" target="_blank">
 	<img src="https://badge.status.php.gt/config-build.svg" alt="Build status" />
 </a>
-<a href="https://scrutinizer-ci.com/g/PhpGt/Config" target="_blank">
+<a href="https://app.codacy.com/gh/PhpGt/Config" target="_blank">
 	<img src="https://badge.status.php.gt/config-quality.svg" alt="Code quality" />
 </a>
-<a href="https://scrutinizer-ci.com/g/PhpGt/Config" target="_blank">
+<a href="https://app.codecov.io/gh/PhpGt/Config" target="_blank">
 	<img src="https://badge.status.php.gt/config-coverage.svg" alt="Code coverage" />
 </a>
 <a href="https://packagist.org/packages/PhpGt/Config" target="_blank">
diff --git a/bin/config-generate b/bin/config-generate
index a43f1cf..36ab062 100755
--- a/bin/config-generate
+++ b/bin/config-generate
@@ -1,6 +1,6 @@
 #!/usr/bin/env php
 <?php
-namespace Gt\Config;
+namespace GT\Config;
 
 $autoloadLocations = [
 	implode(DIRECTORY_SEPARATOR, [__DIR__ , "..", "..", "..", "autoload.php"]),
diff --git a/composer.json b/composer.json
index 459ed3e..dd9db7a 100644
--- a/composer.json
+++ b/composer.json
@@ -30,18 +30,19 @@
 
 	"autoload": {
 		"psr-4": {
+			"GT\\Config\\": "./src",
 			"Gt\\Config\\": "./src"
 		}
 	},
 	"autoload-dev": {
 		"psr-4": {
+			"GT\\Config\\Test\\": "./test/phpunit",
 			"Gt\\Config\\Test\\": "./test/phpunit"
 		}
 	},
 
 	"scripts": {
 		"phpunit": "vendor/bin/phpunit --configuration phpunit.xml",
-		"phpunit:coverage": "XDEBUG_MODE=coverage vendor/bin/phpunit --configuration phpunit.xml --coverage-text",
 		"phpstan": "vendor/bin/phpstan analyse --level 6 src",
 		"phpcs": "vendor/bin/phpcs src --standard=phpcs.xml",
 		"phpmd": "vendor/bin/phpmd src/ text phpmd.xml",
diff --git a/composer.lock b/composer.lock
index ce4356e..d391b33 100644
--- a/composer.lock
+++ b/composer.lock
@@ -640,11 +640,11 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "2.1.40",
+            "version": "2.1.50",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/9b2c7aeb83a75d8680ea5e7c9b7fca88052b766b",
-                "reference": "9b2c7aeb83a75d8680ea5e7c9b7fca88052b766b",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/d452086fb4cf648c6b2d8cf3b639351f79e4f3e2",
+                "reference": "d452086fb4cf648c6b2d8cf3b639351f79e4f3e2",
                 "shasum": ""
             },
             "require": {
@@ -689,20 +689,20 @@
                     "type": "github"
                 }
             ],
-            "time": "2026-02-23T15:04:35+00:00"
+            "time": "2026-04-17T13:10:32+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "12.5.3",
+            "version": "12.5.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "b015312f28dd75b75d3422ca37dff2cd1a565e8d"
+                "reference": "876099a072646c7745f673d7aeab5382c4439691"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/b015312f28dd75b75d3422ca37dff2cd1a565e8d",
-                "reference": "b015312f28dd75b75d3422ca37dff2cd1a565e8d",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/876099a072646c7745f673d7aeab5382c4439691",
+                "reference": "876099a072646c7745f673d7aeab5382c4439691",
                 "shasum": ""
             },
             "require": {
@@ -711,7 +711,6 @@
                 "ext-xmlwriter": "*",
                 "nikic/php-parser": "^5.7.0",
                 "php": ">=8.3",
-                "phpunit/php-file-iterator": "^6.0",
                 "phpunit/php-text-template": "^5.0",
                 "sebastian/complexity": "^5.0",
                 "sebastian/environment": "^8.0.3",
@@ -758,7 +757,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/php-code-coverage/issues",
                 "security": "https://github.com/sebastianbergmann/php-code-coverage/security/policy",
-                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/12.5.3"
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/12.5.6"
             },
             "funding": [
                 {
@@ -778,7 +777,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-02-06T06:01:44+00:00"
+            "time": "2026-04-15T08:23:17+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -1039,16 +1038,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "12.5.14",
+            "version": "12.5.23",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "47283cfd98d553edcb1353591f4e255dc1bb61f0"
+                "reference": "c54fcf3d6bcb6e96ac2f7e40097dc37b5f139969"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/47283cfd98d553edcb1353591f4e255dc1bb61f0",
-                "reference": "47283cfd98d553edcb1353591f4e255dc1bb61f0",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/c54fcf3d6bcb6e96ac2f7e40097dc37b5f139969",
+                "reference": "c54fcf3d6bcb6e96ac2f7e40097dc37b5f139969",
                 "shasum": ""
             },
             "require": {
@@ -1062,15 +1061,15 @@
                 "phar-io/manifest": "^2.0.4",
                 "phar-io/version": "^3.2.1",
                 "php": ">=8.3",
-                "phpunit/php-code-coverage": "^12.5.3",
+                "phpunit/php-code-coverage": "^12.5.6",
                 "phpunit/php-file-iterator": "^6.0.1",
                 "phpunit/php-invoker": "^6.0.0",
                 "phpunit/php-text-template": "^5.0.0",
                 "phpunit/php-timer": "^8.0.0",
                 "sebastian/cli-parser": "^4.2.0",
-                "sebastian/comparator": "^7.1.4",
+                "sebastian/comparator": "^7.1.6",
                 "sebastian/diff": "^7.0.0",
-                "sebastian/environment": "^8.0.3",
+                "sebastian/environment": "^8.1.0",
                 "sebastian/exporter": "^7.0.2",
                 "sebastian/global-state": "^8.0.2",
                 "sebastian/object-enumerator": "^7.0.0",
@@ -1117,31 +1116,15 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/12.5.14"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/12.5.23"
             },
             "funding": [
                 {
-                    "url": "https://phpunit.de/sponsors.html",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/sebastianbergmann",
-                    "type": "github"
-                },
-                {
-                    "url": "https://liberapay.com/sebastianbergmann",
-                    "type": "liberapay"
-                },
-                {
-                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
-                    "type": "thanks_dev"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/phpunit/phpunit",
-                    "type": "tidelift"
+                    "url": "https://phpunit.de/sponsoring.html",
+                    "type": "other"
                 }
             ],
-            "time": "2026-02-18T12:38:40+00:00"
+            "time": "2026-04-18T06:12:49+00:00"
         },
         {
             "name": "psr/container",
@@ -1317,16 +1300,16 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "7.1.4",
+            "version": "7.1.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "6a7de5df2e094f9a80b40a522391a7e6022df5f6"
+                "reference": "c769009dee98f494e0edc3fd4f4087501688f11e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/6a7de5df2e094f9a80b40a522391a7e6022df5f6",
-                "reference": "6a7de5df2e094f9a80b40a522391a7e6022df5f6",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/c769009dee98f494e0edc3fd4f4087501688f11e",
+                "reference": "c769009dee98f494e0edc3fd4f4087501688f11e",
                 "shasum": ""
             },
             "require": {
@@ -1385,7 +1368,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/comparator/issues",
                 "security": "https://github.com/sebastianbergmann/comparator/security/policy",
-                "source": "https://github.com/sebastianbergmann/comparator/tree/7.1.4"
+                "source": "https://github.com/sebastianbergmann/comparator/tree/7.1.6"
             },
             "funding": [
                 {
@@ -1405,7 +1388,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-01-24T09:28:48+00:00"
+            "time": "2026-04-14T08:23:15+00:00"
         },
         {
             "name": "sebastian/complexity",
@@ -1534,16 +1517,16 @@
         },
         {
             "name": "sebastian/environment",
-            "version": "8.0.4",
+            "version": "8.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/environment.git",
-                "reference": "7b8842c2d8e85d0c3a5831236bf5869af6ab2a11"
+                "reference": "b121608b28a13f721e76ffbbd386d08eff58f3f6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/7b8842c2d8e85d0c3a5831236bf5869af6ab2a11",
-                "reference": "7b8842c2d8e85d0c3a5831236bf5869af6ab2a11",
+                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/b121608b28a13f721e76ffbbd386d08eff58f3f6",
+                "reference": "b121608b28a13f721e76ffbbd386d08eff58f3f6",
                 "shasum": ""
             },
             "require": {
@@ -1558,7 +1541,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "8.0-dev"
+                    "dev-main": "8.1-dev"
                 }
             },
             "autoload": {
@@ -1586,7 +1569,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/environment/issues",
                 "security": "https://github.com/sebastianbergmann/environment/security/policy",
-                "source": "https://github.com/sebastianbergmann/environment/tree/8.0.4"
+                "source": "https://github.com/sebastianbergmann/environment/tree/8.1.0"
             },
             "funding": [
                 {
@@ -1606,7 +1589,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-03-15T07:05:40+00:00"
+            "time": "2026-04-15T12:13:01+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -2276,16 +2259,16 @@
         },
         {
             "name": "symfony/config",
-            "version": "v7.4.7",
+            "version": "v7.4.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/config.git",
-                "reference": "6c17162555bfb58957a55bb0e43e00035b6ae3d5"
+                "reference": "2d19dde43fa2ff720b9a40763ace7226594f503b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/config/zipball/6c17162555bfb58957a55bb0e43e00035b6ae3d5",
-                "reference": "6c17162555bfb58957a55bb0e43e00035b6ae3d5",
+                "url": "https://api.github.com/repos/symfony/config/zipball/2d19dde43fa2ff720b9a40763ace7226594f503b",
+                "reference": "2d19dde43fa2ff720b9a40763ace7226594f503b",
                 "shasum": ""
             },
             "require": {
@@ -2331,7 +2314,7 @@
             "description": "Helps you find, load, combine, autofill and validate configuration values of any kind",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/config/tree/v7.4.7"
+                "source": "https://github.com/symfony/config/tree/v7.4.8"
             },
             "funding": [
                 {
@@ -2351,20 +2334,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-03-06T10:41:14+00:00"
+            "time": "2026-03-24T13:12:05+00:00"
         },
         {
             "name": "symfony/dependency-injection",
-            "version": "v7.4.7",
+            "version": "v7.4.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dependency-injection.git",
-                "reference": "0f651e58f4917fb0e2cd261ccbfe3d71e6e0f5db"
+                "reference": "f7025fd7b687c240426562f86ada06a93b1e771d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/0f651e58f4917fb0e2cd261ccbfe3d71e6e0f5db",
-                "reference": "0f651e58f4917fb0e2cd261ccbfe3d71e6e0f5db",
+                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/f7025fd7b687c240426562f86ada06a93b1e771d",
+                "reference": "f7025fd7b687c240426562f86ada06a93b1e771d",
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             },
             "require": {
@@ -2415,7 +2398,7 @@
             "description": "Allows you to standardize and centralize the way objects are constructed in your application",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/dependency-injection/tree/v7.4.7"
+                "source": "https://github.com/symfony/dependency-injection/tree/v7.4.8"
             },
             "funding": [
                 {
@@ -2435,7 +2418,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-03-03T07:48:48+00:00"
+            "time": "2026-03-31T06:50:29+00:00"
         },
         {
             "name": "symfony/deprecation-contracts",
@@ -2506,16 +2489,16 @@
         },
         {
             "name": "symfony/filesystem",
-            "version": "v7.4.6",
+            "version": "v7.4.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "3ebc794fa5315e59fd122561623c2e2e4280538e"
+                "reference": "58b9790d12f9670b7f53a1c1738febd3108970a5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/3ebc794fa5315e59fd122561623c2e2e4280538e",
-                "reference": "3ebc794fa5315e59fd122561623c2e2e4280538e",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/58b9790d12f9670b7f53a1c1738febd3108970a5",
+                "reference": "58b9790d12f9670b7f53a1c1738febd3108970a5",
                 "shasum": ""
             },
             "require": {
@@ -2552,7 +2535,7 @@
             "description": "Provides basic utilities for the filesystem",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/filesystem/tree/v7.4.6"
+                "source": "https://github.com/symfony/filesystem/tree/v7.4.8"
             },
             "funding": [
                 {
@@ -2572,20 +2555,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-02-25T16:50:00+00:00"
+            "time": "2026-03-24T13:12:05+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.33.0",
+            "version": "v1.36.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "a3cc8b044a6ea513310cbd48ef7333b384945638"
+                "reference": "141046a8f9477948ff284fa65be2095baafb94f2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/a3cc8b044a6ea513310cbd48ef7333b384945638",
-                "reference": "a3cc8b044a6ea513310cbd48ef7333b384945638",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/141046a8f9477948ff284fa65be2095baafb94f2",
+                "reference": "141046a8f9477948ff284fa65be2095baafb94f2",
                 "shasum": ""
             },
             "require": {
@@ -2635,7 +2618,7 @@
                 "portable"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.33.0"
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.36.0"
             },
             "funding": [
                 {
@@ -2655,20 +2638,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-09T11:45:10+00:00"
+            "time": "2026-04-10T16:19:22+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.33.0",
+            "version": "v1.36.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "6d857f4d76bd4b343eac26d6b539585d2bc56493"
+                "reference": "6a21eb99c6973357967f6ce3708cd55a6bec6315"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/6d857f4d76bd4b343eac26d6b539585d2bc56493",
-                "reference": "6d857f4d76bd4b343eac26d6b539585d2bc56493",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/6a21eb99c6973357967f6ce3708cd55a6bec6315",
+                "reference": "6a21eb99c6973357967f6ce3708cd55a6bec6315",
                 "shasum": ""
             },
             "require": {
@@ -2720,7 +2703,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.33.0"
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.36.0"
             },
             "funding": [
                 {
@@ -2740,7 +2723,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-12-23T08:48:59+00:00"
+            "time": "2026-04-10T17:25:58+00:00"
         },
         {
             "name": "symfony/service-contracts",
@@ -2831,16 +2814,16 @@
         },
         {
             "name": "symfony/var-exporter",
-            "version": "v7.4.0",
+            "version": "v7.4.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-exporter.git",
-                "reference": "03a60f169c79a28513a78c967316fbc8bf17816f"
+                "reference": "398907e89a2a56fe426f7955c6fa943ec0c77225"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-exporter/zipball/03a60f169c79a28513a78c967316fbc8bf17816f",
-                "reference": "03a60f169c79a28513a78c967316fbc8bf17816f",
+                "url": "https://api.github.com/repos/symfony/var-exporter/zipball/398907e89a2a56fe426f7955c6fa943ec0c77225",
+                "reference": "398907e89a2a56fe426f7955c6fa943ec0c77225",
                 "shasum": ""
             },
             "require": {
@@ -2888,7 +2871,7 @@
                 "serialize"
             ],
             "support": {
-                "source": "https://github.com/symfony/var-exporter/tree/v7.4.0"
+                "source": "https://github.com/symfony/var-exporter/tree/v7.4.8"
             },
             "funding": [
                 {
@@ -2908,7 +2891,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-09-11T10:15:23+00:00"
+            "time": "2026-03-24T13:12:05+00:00"
         },
         {
             "name": "theseer/tokenizer",
diff --git a/src/Config.php b/src/Config.php
index 2dea428..61b59b5 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Config;
+namespace GT\Config;
 
 use Gt\TypeSafeGetter\NullableTypeSafeGetter;
 use Gt\TypeSafeGetter\TypeSafeGetter;
diff --git a/src/ConfigException.php b/src/ConfigException.php
index 38d50ec..52a0b17 100644
--- a/src/ConfigException.php
+++ b/src/ConfigException.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Config;
+namespace GT\Config;
 
 use RuntimeException;
 
diff --git a/src/ConfigFactory.php b/src/ConfigFactory.php
index 713b527..c8be0a7 100644
--- a/src/ConfigFactory.php
+++ b/src/ConfigFactory.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Config;
+namespace GT\Config;
 
 class ConfigFactory {
 	const EXTENSION = "ini";
diff --git a/src/ConfigSection.php b/src/ConfigSection.php
index fd03d85..6247a58 100644
--- a/src/ConfigSection.php
+++ b/src/ConfigSection.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Config;
+namespace GT\Config;
 
 use ArrayAccess;
 use ArrayIterator;
diff --git a/src/FileWriter.php b/src/FileWriter.php
index 403dce3..f25429f 100644
--- a/src/FileWriter.php
+++ b/src/FileWriter.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Config;
+namespace GT\Config;
 
 use Exception;
 use WriteiniFile\WriteiniFile;
diff --git a/src/Generator.php b/src/Generator.php
index a4d4391..5645c0c 100644
--- a/src/Generator.php
+++ b/src/Generator.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Config;
+namespace GT\Config;
 
 class Generator {
 	const ALLOWED_SUFFIXES = [
diff --git a/src/IniParser.php b/src/IniParser.php
index 370f284..75ed979 100644
--- a/src/IniParser.php
+++ b/src/IniParser.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Config;
+namespace GT\Config;
 
 class IniParser {
 	public function __construct(
diff --git a/src/InvalidArgumentException.php b/src/InvalidArgumentException.php
index 04d0a93..d0787c0 100644
--- a/src/InvalidArgumentException.php
+++ b/src/InvalidArgumentException.php
@@ -1,4 +1,4 @@
 <?php
-namespace Gt\Config;
+namespace GT\Config;
 
 class InvalidArgumentException extends ConfigException {}
diff --git a/test/phpunit/ConfigFactoryTest.php b/test/phpunit/ConfigFactoryTest.php
index 420f17e..ff6b803 100644
--- a/test/phpunit/ConfigFactoryTest.php
+++ b/test/phpunit/ConfigFactoryTest.php
@@ -1,8 +1,8 @@
 <?php
-namespace Gt\Config\Test;
+namespace GT\Config\Test;
 
-use Gt\Config\ConfigFactory;
-use Gt\Config\Test\Helper\Helper;
+use GT\Config\ConfigFactory;
+use GT\Config\Test\Helper\Helper;
 
 class ConfigFactoryTest extends ConfigTestCase {
 	public function testCreateForProject():void {
diff --git a/test/phpunit/ConfigSectionTest.php b/test/phpunit/ConfigSectionTest.php
index 87b2a22..ab75d41 100644
--- a/test/phpunit/ConfigSectionTest.php
+++ b/test/phpunit/ConfigSectionTest.php
@@ -1,7 +1,7 @@
 <?php
-namespace Gt\Config\Test;
+namespace GT\Config\Test;
 
-use Gt\Config\ConfigSection;
+use GT\Config\ConfigSection;
 use BadMethodCallException;
 
 class ConfigSectionTest extends ConfigTestCase {
diff --git a/test/phpunit/ConfigTest.php b/test/phpunit/ConfigTest.php
index 36259e6..f3c72f7 100644
--- a/test/phpunit/ConfigTest.php
+++ b/test/phpunit/ConfigTest.php
@@ -1,9 +1,9 @@
 <?php
-namespace Gt\Config\Test;
+namespace GT\Config\Test;
 
 use DateTimeImmutable;
-use Gt\Config\Config;
-use Gt\Config\ConfigSection;
+use GT\Config\Config;
+use GT\Config\ConfigSection;
 
 class ConfigTest extends ConfigTestCase {
 	public function testNotPresentByDefault() {
@@ -27,6 +27,13 @@ public function testGet() {
 		self::assertEquals($value, $config->get($key));
 	}
 
+	public function testLegacyNamespaceAliasesResolve():void {
+		$legacyConfig = new \Gt\Config\Config();
+		self::assertInstanceOf(Config::class, $legacyConfig);
+		self::assertSame(Config::class, $legacyConfig::class);
+		self::assertTrue(is_a($legacyConfig, \Gt\Config\Config::class));
+	}
+
 	public function testLoadSection() {
 		$section = self::createMock(ConfigSection::class);
 		$section->method("getName")
diff --git a/test/phpunit/ConfigTestCase.php b/test/phpunit/ConfigTestCase.php
index 7985c7c..0f7d5fb 100644
--- a/test/phpunit/ConfigTestCase.php
+++ b/test/phpunit/ConfigTestCase.php
@@ -1,7 +1,7 @@
 <?php
-namespace Gt\Config\Test;
+namespace GT\Config\Test;
 
-use Gt\Config\Test\Helper\Helper;
+use GT\Config\Test\Helper\Helper;
 use PHPUnit\Framework\TestCase as PHPUnitTestCase;
 
 class ConfigTestCase extends PHPUnitTestCase {
diff --git a/test/phpunit/FileWriterConfigTest.php b/test/phpunit/FileWriterConfigTest.php
index 7fdcb95..8d16fe9 100644
--- a/test/phpunit/FileWriterConfigTest.php
+++ b/test/phpunit/FileWriterConfigTest.php
@@ -1,10 +1,10 @@
 <?php
-namespace Gt\Config\Test;
+namespace GT\Config\Test;
 
-use Gt\Config\Config;
-use Gt\Config\ConfigSection;
-use Gt\Config\FileWriter;
-use Gt\Config\Test\Helper\Helper;
+use GT\Config\Config;
+use GT\Config\ConfigSection;
+use GT\Config\FileWriter;
+use GT\Config\Test\Helper\Helper;
 
 class FileWriterConfigTest extends ConfigTestCase {
 	public function testWrite():void {
diff --git a/test/phpunit/GeneratorConfigTest.php b/test/phpunit/GeneratorConfigTest.php
index 5c443bf..9346a88 100644
--- a/test/phpunit/GeneratorConfigTest.php
+++ b/test/phpunit/GeneratorConfigTest.php
@@ -1,8 +1,8 @@
 <?php
-namespace Gt\Config\Test;
+namespace GT\Config\Test;
 
-use Gt\Config\Generator;
-use Gt\Config\InvalidArgumentException;
+use GT\Config\Generator;
+use GT\Config\InvalidArgumentException;
 
 class GeneratorConfigTest extends ConfigTestCase {
 	public function testGenerateEmptyArgs() {
diff --git a/test/phpunit/Helper/Helper.php b/test/phpunit/Helper/Helper.php
index b674939..6efce92 100644
--- a/test/phpunit/Helper/Helper.php
+++ b/test/phpunit/Helper/Helper.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Config\Test\Helper;
+namespace GT\Config\Test\Helper;
 
 class Helper {
 	const INI_SIMPLE = <<<INI