diff --git a/.codacy.yml b/.codacy.yml
new file mode 100644
index 0000000..008d53b
--- /dev/null
+++ b/.codacy.yml
@@ -0,0 +1,4 @@
+exclude_paths:
+  - ".github/**"
+  - "example/**"
+  - "test/**"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2a04e16..19f7612 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,19 +1,25 @@
 name: CI
 
-on: [push]
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+  actions: read
 
 jobs:
   composer:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Cache Composer dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: /tmp/composer-cache
           key: ${{ runner.os }}-${{ matrix.php }}-${{ hashFiles('**/composer.lock') }}
@@ -22,22 +28,24 @@ jobs:
         uses: php-actions/composer@v6
         with:
           php_version: ${{ matrix.php }}
+          php_extensions: pcntl
 
       - name: Archive build
-        run: mkdir /tmp/github-actions/ && tar -cvf /tmp/github-actions/build.tar ./
+        run: mkdir /tmp/github-actions/ && tar --exclude=".git" -cvf /tmp/github-actions/build.tar ./
 
       - name: Upload build archive for test runners
         uses: actions/upload-artifact@v4
         with:
           name: build-artifact-${{ matrix.php }}
           path: /tmp/github-actions
+          retention-days: 1
 
   phpunit:
     runs-on: ubuntu-latest
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     outputs:
       coverage: ${{ steps.store-coverage.outputs.coverage_text }}
@@ -72,7 +80,7 @@ jobs:
     needs: [ phpunit ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     steps:
       - uses: actions/checkout@v4
@@ -87,13 +95,16 @@ jobs:
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: ${{ github.repository }}
 
   phpstan:
     runs-on: ubuntu-latest
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     steps:
       - uses: actions/download-artifact@v4
@@ -109,13 +120,15 @@ jobs:
         with:
           php_version: ${{ matrix.php }}
           path: src/
+          level: 6
+          memory_limit: 256M
 
   phpmd:
     runs-on: ubuntu-latest
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     steps:
       - uses: actions/download-artifact@v4
@@ -139,7 +152,7 @@ jobs:
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     steps:
       - uses: actions/download-artifact@v4
@@ -156,18 +169,3 @@ jobs:
           php_version: ${{ matrix.php }}
           path: src/
           standard: phpcs.xml
-
-  remove_old_artifacts:
-    runs-on: ubuntu-latest
-
-    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?name=build-artifact" | 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 5ff9dfe..e384cde 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ A Data Transfer Objects (DTO) in a programming language is a design pattern that
 
 ***
 
-<a href="https://giub.com/PhpGt/DataObject/actions" target="_blank">
+<a href="https://github.com/PhpGt/DataObject/actions" target="_blank">
 	<img src="https://badge.status.php.gt/dataobject-build.svg" alt="Build status" />
 </a>
 <a href="https://app.codacy.com/gh/PhpGt/DataObject" target="_blank">
@@ -18,7 +18,7 @@ A Data Transfer Objects (DTO) in a programming language is a design pattern that
 	<img src="https://badge.status.php.gt/dataobject-version.svg" alt="Current version" />
 </a>
 <a href="http://www.php.gt/dataobject" target="_blank">
-	<img src="https://badge.status.php.gt/dataobject-docs.svg" alt="PHP.Gt/DataObject documentation" />
+	<img src="https://badge.status.php.gt/dataobject-docs.svg" alt="PHP.GT/DataObject documentation" />
 </a>
 
 A `DataObject` has the following features: 
@@ -36,7 +36,7 @@ Load an object into a `DataObject`, then pass to a third party library for proce
 Due to the immutability of the `DataObject` class, there is no risk of the third party library making changes to the contents of the data.
 
 ```php
-use Gt\DataObject\DataObjectBuilder;
+use GT\DataObject\DataObjectBuilder;
 
 // Create a new Builder and build the DataObject from an associative array.
 // For example, data loaded from another remote data source.
@@ -66,6 +66,6 @@ Database::store(
 Working with JSON data
 ----------------------
 
-A JSON data structure is almost identical in scope to the DataObject introduced in this repository, with one key difference: JSON data can represent a primitive data type, not always key-value-pairs. Because of this, [PHP.Gt/Json is maintained separately to provide structured, type-safe, immutable JSON objects][json] as an extension to this DataObject repository.
+A JSON data structure is almost identical in scope to the DataObject introduced in this repository, with one key difference: JSON data can represent a primitive data type, not always key-value-pairs. Because of this, [PHP.GT/Json is maintained separately to provide structured, type-safe, immutable JSON objects][json] as an extension to this PHP.GT/DataObject repository.
 
 [json]: https://php.gt/json
diff --git a/composer.json b/composer.json
index 851a1fc..f0c4c99 100644
--- a/composer.json
+++ b/composer.json
@@ -10,10 +10,10 @@
 	},
 
 	"require-dev": {
-		"phpstan/phpstan": "^1.10",
+		"phpstan/phpstan": "^2.1",
 		"phpunit/phpunit": "^10.1",
 		"phpmd/phpmd": "^2.13",
-		"squizlabs/php_codesniffer": "^3.7"
+		"squizlabs/php_codesniffer": "^4.0"
 	},
 
 	"license": "MIT",
@@ -27,12 +27,33 @@
 
 	"autoload": {
 		"psr-4": {
+			"GT\\DataObject\\": "./src",
 			"Gt\\DataObject\\": "./src"
 		}
 	},
 	"autoload-dev": {
 		"psr-4": {
-			"Gt\\DataObject\\Test\\": "./test/phpunit"
+			"GT\\DataObject\\Test\\": "./test/phpunit"
 		}
-	}
+	},
+
+	"scripts": {
+		"phpunit": "vendor/bin/phpunit --configuration phpunit.xml",
+		"phpstan": "vendor/bin/phpstan analyse --level 6 src",
+		"phpcs": "vendor/bin/phpcs src --standard=phpcs.xml",
+		"phpmd": "vendor/bin/phpmd src/ text phpmd.xml",
+		"test": [
+			"@phpunit",
+			"@phpstan",
+			"@phpcs",
+			"@phpmd"
+		]
+	},
+
+	"funding": [
+		{
+			"type": "github",
+			"url": "https://github.com/sponsors/phpgt"
+		}
+	]
 }
diff --git a/composer.lock b/composer.lock
index dea7fd7..0919606 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "f0a292f747f9bdd80e6b1e4e6bca9297",
+    "content-hash": "1f9dc85a043ccbc7840e039549d9cf69",
     "packages": [
         {
             "name": "phpgt/typesafegetter",
-            "version": "v1.3.2",
+            "version": "v1.3.3",
             "source": {
                 "type": "git",
-                "url": "https://github.com/PhpGt/TypeSafeGetter.git",
-                "reference": "f760c05a37b1cc188dcbf800c5fdfab8a926b4b0"
+                "url": "https://github.com/phpgt/TypeSafeGetter.git",
+                "reference": "a0d339103828791989cbb81f760d252f3c2f8b8c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PhpGt/TypeSafeGetter/zipball/f760c05a37b1cc188dcbf800c5fdfab8a926b4b0",
-                "reference": "f760c05a37b1cc188dcbf800c5fdfab8a926b4b0",
+                "url": "https://api.github.com/repos/phpgt/TypeSafeGetter/zipball/a0d339103828791989cbb81f760d252f3c2f8b8c",
+                "reference": "a0d339103828791989cbb81f760d252f3c2f8b8c",
                 "shasum": ""
             },
             "require": {
@@ -47,8 +47,8 @@
             ],
             "description": "An interface for objects that expose type-safe getter methods.",
             "support": {
-                "issues": "https://github.com/PhpGt/TypeSafeGetter/issues",
-                "source": "https://github.com/PhpGt/TypeSafeGetter/tree/v1.3.2"
+                "issues": "https://github.com/phpgt/TypeSafeGetter/issues",
+                "source": "https://github.com/phpgt/TypeSafeGetter/tree/v1.3.3"
             },
             "funding": [
                 {
@@ -56,7 +56,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-04-28T14:42:27+00:00"
+            "time": "2026-03-10T22:28:01+00:00"
         }
     ],
     "packages-dev": [
@@ -207,16 +207,16 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.13.0",
+            "version": "1.13.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "024473a478be9df5fdaca2c793f2232fe788e414"
+                "reference": "07d290f0c47959fd5eed98c95ee5602db07e0b6a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/024473a478be9df5fdaca2c793f2232fe788e414",
-                "reference": "024473a478be9df5fdaca2c793f2232fe788e414",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/07d290f0c47959fd5eed98c95ee5602db07e0b6a",
+                "reference": "07d290f0c47959fd5eed98c95ee5602db07e0b6a",
                 "shasum": ""
             },
             "require": {
@@ -255,7 +255,7 @@
             ],
             "support": {
                 "issues": "https://github.com/myclabs/DeepCopy/issues",
-                "source": "https://github.com/myclabs/DeepCopy/tree/1.13.0"
+                "source": "https://github.com/myclabs/DeepCopy/tree/1.13.4"
             },
             "funding": [
                 {
@@ -263,20 +263,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-02-12T12:17:51+00:00"
+            "time": "2025-08-01T08:46:24+00:00"
         },
         {
             "name": "nikic/php-parser",
-            "version": "v5.4.0",
+            "version": "v5.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "447a020a1f875a434d62f2a401f53b82a396e494"
+                "reference": "dca41cd15c2ac9d055ad70dbfd011130757d1f82"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/447a020a1f875a434d62f2a401f53b82a396e494",
-                "reference": "447a020a1f875a434d62f2a401f53b82a396e494",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/dca41cd15c2ac9d055ad70dbfd011130757d1f82",
+                "reference": "dca41cd15c2ac9d055ad70dbfd011130757d1f82",
                 "shasum": ""
             },
             "require": {
@@ -295,7 +295,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.0-dev"
+                    "dev-master": "5.x-dev"
                 }
             },
             "autoload": {
@@ -319,9 +319,9 @@
             ],
             "support": {
                 "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v5.4.0"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v5.7.0"
             },
-            "time": "2024-12-30T11:07:19+00:00"
+            "time": "2025-12-06T11:56:16+00:00"
         },
         {
             "name": "pdepend/pdepend",
@@ -589,20 +589,15 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.12.18",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "fef9f07814a573399229304bb0046affdf558812"
-            },
+            "version": "2.1.50",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/fef9f07814a573399229304bb0046affdf558812",
-                "reference": "fef9f07814a573399229304bb0046affdf558812",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/d452086fb4cf648c6b2d8cf3b639351f79e4f3e2",
+                "reference": "d452086fb4cf648c6b2d8cf3b639351f79e4f3e2",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2|^8.0"
+                "php": "^7.4|^8.0"
             },
             "conflict": {
                 "phpstan/phpstan-shim": "*"
@@ -643,7 +638,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-02-13T12:44:44+00:00"
+            "time": "2026-04-17T13:10:32+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -968,16 +963,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.5.45",
+            "version": "10.5.63",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "bd68a781d8e30348bc297449f5234b3458267ae8"
+                "reference": "33198268dad71e926626b618f3ec3966661e4d90"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/bd68a781d8e30348bc297449f5234b3458267ae8",
-                "reference": "bd68a781d8e30348bc297449f5234b3458267ae8",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/33198268dad71e926626b618f3ec3966661e4d90",
+                "reference": "33198268dad71e926626b618f3ec3966661e4d90",
                 "shasum": ""
             },
             "require": {
@@ -987,7 +982,7 @@
                 "ext-mbstring": "*",
                 "ext-xml": "*",
                 "ext-xmlwriter": "*",
-                "myclabs/deep-copy": "^1.12.1",
+                "myclabs/deep-copy": "^1.13.4",
                 "phar-io/manifest": "^2.0.4",
                 "phar-io/version": "^3.2.1",
                 "php": ">=8.1",
@@ -998,13 +993,13 @@
                 "phpunit/php-timer": "^6.0.0",
                 "sebastian/cli-parser": "^2.0.1",
                 "sebastian/code-unit": "^2.0.0",
-                "sebastian/comparator": "^5.0.3",
+                "sebastian/comparator": "^5.0.5",
                 "sebastian/diff": "^5.1.1",
                 "sebastian/environment": "^6.1.0",
-                "sebastian/exporter": "^5.1.2",
+                "sebastian/exporter": "^5.1.4",
                 "sebastian/global-state": "^6.0.2",
                 "sebastian/object-enumerator": "^5.0.0",
-                "sebastian/recursion-context": "^5.0.0",
+                "sebastian/recursion-context": "^5.0.1",
                 "sebastian/type": "^4.0.0",
                 "sebastian/version": "^4.0.1"
             },
@@ -1049,7 +1044,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.45"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.63"
             },
             "funding": [
                 {
@@ -1060,12 +1055,20 @@
                     "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"
                 }
             ],
-            "time": "2025-02-06T16:08:12+00:00"
+            "time": "2026-01-27T05:48:37+00:00"
         },
         {
             "name": "psr/container",
@@ -1340,16 +1343,16 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "5.0.3",
+            "version": "5.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "a18251eb0b7a2dcd2f7aa3d6078b18545ef0558e"
+                "reference": "55dfef806eb7dfeb6e7a6935601fef866f8ca48d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/a18251eb0b7a2dcd2f7aa3d6078b18545ef0558e",
-                "reference": "a18251eb0b7a2dcd2f7aa3d6078b18545ef0558e",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/55dfef806eb7dfeb6e7a6935601fef866f8ca48d",
+                "reference": "55dfef806eb7dfeb6e7a6935601fef866f8ca48d",
                 "shasum": ""
             },
             "require": {
@@ -1405,15 +1408,27 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/comparator/issues",
                 "security": "https://github.com/sebastianbergmann/comparator/security/policy",
-                "source": "https://github.com/sebastianbergmann/comparator/tree/5.0.3"
+                "source": "https://github.com/sebastianbergmann/comparator/tree/5.0.5"
             },
             "funding": [
                 {
                     "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/sebastian/comparator",
+                    "type": "tidelift"
                 }
             ],
-            "time": "2024-10-18T14:56:07+00:00"
+            "time": "2026-01-24T09:25:16+00:00"
         },
         {
             "name": "sebastian/complexity",
@@ -1606,16 +1621,16 @@
         },
         {
             "name": "sebastian/exporter",
-            "version": "5.1.2",
+            "version": "5.1.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "955288482d97c19a372d3f31006ab3f37da47adf"
+                "reference": "0735b90f4da94969541dac1da743446e276defa6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/955288482d97c19a372d3f31006ab3f37da47adf",
-                "reference": "955288482d97c19a372d3f31006ab3f37da47adf",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/0735b90f4da94969541dac1da743446e276defa6",
+                "reference": "0735b90f4da94969541dac1da743446e276defa6",
                 "shasum": ""
             },
             "require": {
@@ -1624,7 +1639,7 @@
                 "sebastian/recursion-context": "^5.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^10.0"
+                "phpunit/phpunit": "^10.5"
             },
             "type": "library",
             "extra": {
@@ -1672,15 +1687,27 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/exporter/issues",
                 "security": "https://github.com/sebastianbergmann/exporter/security/policy",
-                "source": "https://github.com/sebastianbergmann/exporter/tree/5.1.2"
+                "source": "https://github.com/sebastianbergmann/exporter/tree/5.1.4"
             },
             "funding": [
                 {
                     "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/sebastian/exporter",
+                    "type": "tidelift"
                 }
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             "funding": [
                 {
@@ -2826,7 +2890,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-03-03T12:36:25+00:00"
+            "time": "2025-11-17T20:03:58+00:00"
         }
     ],
     "aliases": [],
@@ -2839,5 +2903,5 @@
         "ext-json": "*"
     },
     "platform-dev": {},
-    "plugin-api-version": "2.6.0"
+    "plugin-api-version": "2.9.0"
 }
diff --git a/example/01-json-encode.php b/example/01-json-encode.php
index bc1077c..98209e4 100644
--- a/example/01-json-encode.php
+++ b/example/01-json-encode.php
@@ -1,5 +1,5 @@
 <?php
-use Gt\DataObject\DataObject;
+use GT\DataObject\DataObject;
 
 require __DIR__ . "/../vendor/autoload.php";
 
diff --git a/example/02-json-decode.php b/example/02-json-decode.php
index b7fa3fa..19660e5 100644
--- a/example/02-json-decode.php
+++ b/example/02-json-decode.php
@@ -1,5 +1,5 @@
 <?php
-use Gt\DataObject\DataObjectBuilder;
+use GT\DataObject\DataObjectBuilder;
 
 require __DIR__ . "/../vendor/autoload.php";
 
diff --git a/example/03-type-casting.php b/example/03-type-casting.php
index a529eff..e04183a 100644
--- a/example/03-type-casting.php
+++ b/example/03-type-casting.php
@@ -1,6 +1,6 @@
 <?php
 
-use Gt\DataObject\DataObject;
+use GT\DataObject\DataObject;
 
 require __DIR__ . "/../vendor/autoload.php";
 
diff --git a/example/04-type-safety-arrays.php b/example/04-type-safety-arrays.php
index 83bc1d5..04ea24f 100644
--- a/example/04-type-safety-arrays.php
+++ b/example/04-type-safety-arrays.php
@@ -1,5 +1,5 @@
 <?php
-use Gt\DataObject\DataObject;
+use GT\DataObject\DataObject;
 
 require __DIR__ . "/../vendor/autoload.php";
 
diff --git a/phpcs.xml b/phpcs.xml
index b771656..ad96b86 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -25,7 +25,6 @@
 	<rule ref="Generic.Files.OneObjectStructurePerFile" />
 	<rule ref="Generic.Files.OneTraitPerFile" />
 	<rule ref="Generic.Formatting.DisallowMultipleStatements" />
-	<rule ref="Generic.Formatting.NoSpaceAfterCast" />
 	<rule ref="Generic.Functions.FunctionCallArgumentSpacing" />
 	<rule ref="Generic.Functions.OpeningFunctionBraceKernighanRitchie" />
 	<rule ref="Generic.Metrics.CyclomaticComplexity" />
diff --git a/src/AssociativeArrayWithinObjectException.php b/src/AssociativeArrayWithinObjectException.php
index 6bba117..1f5effb 100644
--- a/src/AssociativeArrayWithinObjectException.php
+++ b/src/AssociativeArrayWithinObjectException.php
@@ -1,4 +1,4 @@
 <?php
-namespace Gt\DataObject;
+namespace GT\DataObject;
 
 class AssociativeArrayWithinObjectException extends BuilderException {}
diff --git a/src/BuilderException.php b/src/BuilderException.php
index 078b760..df947d1 100644
--- a/src/BuilderException.php
+++ b/src/BuilderException.php
@@ -1,4 +1,4 @@
 <?php
-namespace Gt\DataObject;
+namespace GT\DataObject;
 
 class BuilderException extends DataObjectException {}
diff --git a/src/DataObject.php b/src/DataObject.php
index 44666f4..c1e4587 100644
--- a/src/DataObject.php
+++ b/src/DataObject.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\DataObject;
+namespace GT\DataObject;
 
 use DateTimeImmutable;
 use DateTimeInterface;
diff --git a/src/DataObjectBuilder.php b/src/DataObjectBuilder.php
index 8c73463..530c9cf 100644
--- a/src/DataObjectBuilder.php
+++ b/src/DataObjectBuilder.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\DataObject;
+namespace GT\DataObject;
 
 class DataObjectBuilder {
 	public function fromObject(
diff --git a/src/DataObjectException.php b/src/DataObjectException.php
index 7ac953f..5cd9c51 100644
--- a/src/DataObjectException.php
+++ b/src/DataObjectException.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\DataObject;
+namespace GT\DataObject;
 
 use RuntimeException;
 
diff --git a/src/ImmutableObjectException.php b/src/ImmutableObjectException.php
index f50288f..2e3a6cd 100644
--- a/src/ImmutableObjectException.php
+++ b/src/ImmutableObjectException.php
@@ -1,4 +1,4 @@
 <?php
-namespace Gt\DataObject;
+namespace GT\DataObject;
 
 class ImmutableObjectException extends DataObjectException {}
diff --git a/src/ObjectWithinAssociativeArrayException.php b/src/ObjectWithinAssociativeArrayException.php
index 95eced1..59c253c 100644
--- a/src/ObjectWithinAssociativeArrayException.php
+++ b/src/ObjectWithinAssociativeArrayException.php
@@ -1,4 +1,4 @@
 <?php
-namespace Gt\DataObject;
+namespace GT\DataObject;
 
 class ObjectWithinAssociativeArrayException extends BuilderException {}
diff --git a/test/phpunit/DataObjectBuilderTest.php b/test/phpunit/DataObjectBuilderTest.php
index 887263e..7c23c69 100644
--- a/test/phpunit/DataObjectBuilderTest.php
+++ b/test/phpunit/DataObjectBuilderTest.php
@@ -1,10 +1,10 @@
 <?php
-namespace Gt\DataObject\Test;
+namespace GT\DataObject\Test;
 
-use Gt\DataObject\AssociativeArrayWithinObjectException;
-use Gt\DataObject\DataObjectBuilder;
-use Gt\DataObject\ObjectWithinAssociativeArrayException;
-use Gt\DataObject\Test\Helper\CustomDataObject;
+use GT\DataObject\AssociativeArrayWithinObjectException;
+use GT\DataObject\DataObjectBuilder;
+use GT\DataObject\ObjectWithinAssociativeArrayException;
+use GT\DataObject\Test\Helper\CustomDataObject;
 use PHPUnit\Framework\TestCase;
 use stdClass;
 
diff --git a/test/phpunit/DataObjectTest.php b/test/phpunit/DataObjectTest.php
index c2612e1..dac2d70 100644
--- a/test/phpunit/DataObjectTest.php
+++ b/test/phpunit/DataObjectTest.php
@@ -1,10 +1,10 @@
 <?php
-namespace Gt\DataObject\Test;
+namespace GT\DataObject\Test;
 
 use DateTime;
 use DateTimeInterface;
 use Error;
-use Gt\DataObject\DataObject;
+use GT\DataObject\DataObject;
 use PHPUnit\Framework\TestCase;
 use stdClass;
 use Throwable;
diff --git a/test/phpunit/Helper/CustomDataObject.php b/test/phpunit/Helper/CustomDataObject.php
index 4f27912..d76f18d 100644
--- a/test/phpunit/Helper/CustomDataObject.php
+++ b/test/phpunit/Helper/CustomDataObject.php
@@ -1,7 +1,7 @@
 <?php
-namespace Gt\DataObject\Test\Helper;
+namespace GT\DataObject\Test\Helper;
 
-use Gt\DataObject\DataObject;
+use GT\DataObject\DataObject;
 
 class CustomDataObject extends DataObject {
 }