diff --git a/composer.json b/composer.json
index fab0ab209..2592d2922 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
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     "wp-cli/wp-cli": "^2.8",
     "wp-coding-standards/wpcs": "2.3.0",
-    "yoast/wp-test-utils": "^0.2.2"
+    "yoast/wp-test-utils": "^1.2.0"
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   "minimum-stability": "dev",
   "prefer-stable": true,
diff --git a/composer.lock b/composer.lock
index 238e4fa5f..b840edba4 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,21 +4,21 @@
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         "This file is @generated automatically"
     ],
-    "content-hash": "d6eb7d526c841f9cf8acb53af3342c8f",
+    "content-hash": "2450ddb6543e352599f3654ec3d0f7c6",
     "packages": [],
     "packages-dev": [
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-            "version": "2.1.21",
+            "version": "2.1.26",
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                 "url": "https://github.com/antecedent/patchwork.git",
-                "reference": "25c1fa0cd9a6e6d0d13863d8df8f050b6733f16d"
+                "reference": "f2dae0851b2eae4c51969af740fdd0356d7f8f55"
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-                "reference": "25c1fa0cd9a6e6d0d13863d8df8f050b6733f16d",
+                "url": "https://api.github.com/repos/antecedent/patchwork/zipball/f2dae0851b2eae4c51969af740fdd0356d7f8f55",
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@@ -51,9 +51,9 @@
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-                "source": "https://github.com/antecedent/patchwork/tree/2.1.21"
+                "source": "https://github.com/antecedent/patchwork/tree/2.1.26"
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-            "time": "2022-02-07T07:28:34+00:00"
+            "time": "2023-09-18T08:18:37+00:00"
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             "name": "automattic/vipwpcs",
@@ -360,8 +360,22 @@
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                 "issues": "https://github.com/doctrine/instantiator/issues",
-                "source": "https://github.com/doctrine/instantiator/tree/master"
+                "source": "https://github.com/doctrine/instantiator/tree/1.0.5"
             },
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Finstantiator",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2015-06-14T21:17:01+00:00"
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@@ -417,16 +431,16 @@
         },
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+            "version": "1.3.6",
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-                "reference": "472fa8ca4e55483d55ee1e73c963718c4393791d"
+                "reference": "dc206df4fa314a50bbb81cf72239a305c5bbd5c0"
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-                "reference": "472fa8ca4e55483d55ee1e73c963718c4393791d",
+                "url": "https://api.github.com/repos/mockery/mockery/zipball/dc206df4fa314a50bbb81cf72239a305c5bbd5c0",
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@@ -480,9 +494,9 @@
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-                "source": "https://github.com/mockery/mockery/tree/1.3.5"
+                "source": "https://github.com/mockery/mockery/tree/1.3.6"
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-            "time": "2021-09-13T15:33:03+00:00"
+            "time": "2022-09-07T15:05:49+00:00"
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@@ -2654,16 +2668,16 @@
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-            "version": "1.0.3",
+            "version": "1.1.0",
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                 "url": "https://github.com/Yoast/PHPUnit-Polyfills.git",
-                "reference": "5ea3536428944955f969bc764bbe09738e151ada"
+                "reference": "224e4a1329c03d8bad520e3fc4ec980034a4b212"
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-                "reference": "5ea3536428944955f969bc764bbe09738e151ada",
+                "url": "https://api.github.com/repos/Yoast/PHPUnit-Polyfills/zipball/224e4a1329c03d8bad520e3fc4ec980034a4b212",
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@@ -2671,13 +2685,12 @@
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             },
             "require-dev": {
-                "yoast/yoastcs": "^2.2.0"
+                "yoast/yoastcs": "^2.3.0"
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-                    "dev-main": "1.x-dev",
-                    "dev-develop": "1.x-dev"
+                    "dev-main": "2.x-dev"
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@@ -2711,42 +2724,44 @@
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                 "source": "https://github.com/Yoast/PHPUnit-Polyfills"
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-            "time": "2021-11-23T01:37:03+00:00"
+            "time": "2023-08-19T14:25:08+00:00"
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-            "version": "0.2.2",
+            "version": "1.2.0",
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                 "url": "https://github.com/Yoast/wp-test-utils.git",
-                "reference": "896f7640d86162ff7a0dc6ce59f8837f284521c5"
+                "reference": "2e0f62e0281e4859707c5f13b7da1422aa1c8f7b"
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-                "reference": "896f7640d86162ff7a0dc6ce59f8837f284521c5",
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+                "reference": "2e0f62e0281e4859707c5f13b7da1422aa1c8f7b",
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             "require": {
-                "brain/monkey": "^2.6.0",
+                "brain/monkey": "^2.6.1",
                 "php": ">=5.6",
-                "yoast/phpunit-polyfills": "^1.0.0"
+                "yoast/phpunit-polyfills": "^1.1.0"
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-                "php-parallel-lint/php-parallel-lint": "^1.3.0",
-                "yoast/yoastcs": "^2.1.0"
+                "yoast/yoastcs": "^2.3.1"
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             "extra": {
                 "branch-alias": {
-                    "dev-main": "1.x-dev",
-                    "dev-develop": "1.x-dev"
+                    "dev-develop": "1.x-dev",
+                    "dev-main": "1.x-dev"
                 }
             },
             "autoload": {
                 "classmap": [
                     "src/"
+                ],
+                "exclude-from-classmap": [
+                    "/src/WPIntegration/TestCase.php",
+                    "/src/WPIntegration/TestCaseNoPolyfills.php"
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@@ -2770,6 +2785,7 @@
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+                "testing",
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@@ -2777,7 +2793,7 @@
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                 "source": "https://github.com/Yoast/wp-test-utils"
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-            "time": "2021-06-21T03:45:02+00:00"
+            "time": "2023-09-27T10:25:08+00:00"
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