diff --git a/composer.json b/composer.json
index bb124243e9..2af8583e8a 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
 		"wp-coding-standards/wpcs": "^3.0",
 		"dealerdirect/phpcodesniffer-composer-installer": "*",
 		"phpcompatibility/phpcompatibility-wp": "*",
-		"yoast/phpunit-polyfills": "^3.0",
+		"yoast/phpunit-polyfills": "^4.0",
 		"phpunit/phpunit": "^7.0 || ^9.5"
 	},
 	"autoload": {
diff --git a/composer.lock b/composer.lock
index 3700c32fa8..15cc2f1c01 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": "b0f9fb717578b41873a4224cb546a5db",
+    "content-hash": "dfa3cb91b5b9c15c6be7995d6a8ec75c",
     "packages": [
         {
             "name": "composer/installers",
@@ -4284,21 +4284,21 @@
         },
         {
             "name": "yoast/phpunit-polyfills",
-            "version": "3.1.1",
+            "version": "4.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Yoast/PHPUnit-Polyfills.git",
-                "reference": "e6381c62c4df51677b657fbac79b79dfce7acdab"
+                "reference": "134921bfca9b02d8f374c48381451da1d98402f9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Yoast/PHPUnit-Polyfills/zipball/e6381c62c4df51677b657fbac79b79dfce7acdab",
-                "reference": "e6381c62c4df51677b657fbac79b79dfce7acdab",
+                "url": "https://api.github.com/repos/Yoast/PHPUnit-Polyfills/zipball/134921bfca9b02d8f374c48381451da1d98402f9",
+                "reference": "134921bfca9b02d8f374c48381451da1d98402f9",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.0",
-                "phpunit/phpunit": "^6.4.4 || ^7.0 || ^8.0 || ^9.0 || ^11.0"
+                "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",
@@ -4308,7 +4308,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "3.x-dev"
+                    "dev-main": "4.x-dev"
                 }
             },
             "autoload": {
@@ -4343,7 +4343,7 @@
                 "security": "https://github.com/Yoast/PHPUnit-Polyfills/security/policy",
                 "source": "https://github.com/Yoast/PHPUnit-Polyfills"
             },
-            "time": "2025-01-12T08:41:37+00:00"
+            "time": "2025-02-09T18:58:54+00:00"
         }
     ],
     "aliases": [],