diff --git a/composer.json b/composer.json
index e2b3f2a7..04b58df3 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     "brain/monkey": "^2.6",
     "php-parallel-lint/php-parallel-lint": "^1.3",
     "phpunit/phpunit": "^9.5",
-    "yoast/phpunit-polyfills": "^1.0",
+    "yoast/phpunit-polyfills": "^4.0",
     "phpstan/phpstan": "^1.10",
     "phpstan/extension-installer": "^1.3",
     "szepeviktor/phpstan-wordpress": "^1.3",
diff --git a/composer.lock b/composer.lock
index 165a28a4..d13acfad 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": "c7f329cbeaf904d21842b780196cf3b5",
+    "content-hash": "6383b2c7a042022c67d04bfa6c487524",
     "packages": [
         {
             "name": "imangazaliev/didom",
@@ -2854,6 +2854,7 @@
                     "type": "github"
                 }
             ],
+            "abandoned": true,
             "time": "2020-10-26T13:08:54+00:00"
         },
         {
@@ -2909,6 +2910,7 @@
                     "type": "github"
                 }
             ],
+            "abandoned": true,
             "time": "2020-09-28T05:30:19+00:00"
         },
         {
@@ -4215,21 +4217,21 @@
         },
         {
             "name": "yoast/phpunit-polyfills",
-            "version": "1.1.2",
+            "version": "4.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Yoast/PHPUnit-Polyfills.git",
-                "reference": "e9c8413de4c8ae03d2923a44f17d0d7dad1b96be"
+                "reference": "134921bfca9b02d8f374c48381451da1d98402f9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Yoast/PHPUnit-Polyfills/zipball/e9c8413de4c8ae03d2923a44f17d0d7dad1b96be",
-                "reference": "e9c8413de4c8ae03d2923a44f17d0d7dad1b96be",
+                "url": "https://api.github.com/repos/Yoast/PHPUnit-Polyfills/zipball/134921bfca9b02d8f374c48381451da1d98402f9",
+                "reference": "134921bfca9b02d8f374c48381451da1d98402f9",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.4",
-                "phpunit/phpunit": "^4.8.36 || ^5.7.21 || ^6.0 || ^7.0 || ^8.0 || ^9.0"
+                "php": ">=7.1",
+                "phpunit/phpunit": "^7.5 || ^8.0 || ^9.0 || ^11.0 || ^12.0"
             },
             "require-dev": {
                 "php-parallel-lint/php-console-highlighter": "^1.0.0",
@@ -4239,7 +4241,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "3.x-dev"
+                    "dev-main": "4.x-dev"
                 }
             },
             "autoload": {
@@ -4274,7 +4276,7 @@
                 "security": "https://github.com/Yoast/PHPUnit-Polyfills/security/policy",
                 "source": "https://github.com/Yoast/PHPUnit-Polyfills"
             },
-            "time": "2024-09-06T22:03:10+00:00"
+            "time": "2025-02-09T18:58:54+00:00"
         }
     ],
     "aliases": [],
@@ -4291,5 +4293,5 @@
     "platform-overrides": {
         "php": "7.4"
     },
-    "plugin-api-version": "2.6.0"
+    "plugin-api-version": "2.9.0"
 }