diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 8990d1a7b1..9183ad9a06 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -39,9 +39,9 @@ When you introduce new `public` sniff properties, or your sniff extends a class
 
 ## Pre-requisites
 * WordPress-Coding-Standards
-* PHP_CodeSniffer 3.9.0 or higher
-* PHPCSUtils 1.0.10 or higher
-* PHPCSExtra 1.2.1 or higher
+* PHP_CodeSniffer 3.13.0 or higher
+* PHPCSUtils 1.1.0 or higher
+* PHPCSExtra 1.4.0 or higher
 * PHPUnit 4.x - 9.x
 
 The WordPress Coding Standards use the `PHP_CodeSniffer` native unit test framework for unit testing the sniffs.
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 6e96e7d545..87b871363e 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -75,7 +75,7 @@ jobs:
 
           # Add extra build to test against PHPCS 4.
           #- php: '7.4'
-          #  dependencies: '4.0.x-dev as 3.9.99'
+          #  dependencies: '4.0.x-dev as 3.99.99'
 
     name: PHP ${{ matrix.php }} on PHPCS ${{ matrix.dependencies }}
 
diff --git a/WordPress/Tests/NamingConventions/ValidVariableNameUnitTest.inc b/WordPress/Tests/NamingConventions/ValidVariableNameUnitTest.inc
index 437c005899..a8cac33a54 100644
--- a/WordPress/Tests/NamingConventions/ValidVariableNameUnitTest.inc
+++ b/WordPress/Tests/NamingConventions/ValidVariableNameUnitTest.inc
@@ -189,7 +189,7 @@ class MultiVarDeclarations {
 
 echo "This is $post_ID with $ThisShouldBeFlagged"; // Bad.
 
-// Safeguard that illegal property declarations are ignored.
+// Properties in interfaces are allowed since PHP 8.4.
 interface PropertiesNotAllowed {
 	public $notAllowed;
 }
diff --git a/WordPress/Tests/NamingConventions/ValidVariableNameUnitTest.php b/WordPress/Tests/NamingConventions/ValidVariableNameUnitTest.php
index c26a4936e7..68b2b64a5c 100644
--- a/WordPress/Tests/NamingConventions/ValidVariableNameUnitTest.php
+++ b/WordPress/Tests/NamingConventions/ValidVariableNameUnitTest.php
@@ -84,6 +84,7 @@ public function getErrorList() {
 			184 => 1,
 			186 => 1,
 			190 => 1,
+			194 => 1,
 			199 => 1,
 			200 => 1,
 			202 => 1,
diff --git a/composer.json b/composer.json
index fa03b88193..a952c86541 100644
--- a/composer.json
+++ b/composer.json
@@ -21,9 +21,9 @@
 		"ext-libxml": "*",
 		"ext-tokenizer": "*",
 		"ext-xmlreader": "*",
-		"squizlabs/php_codesniffer": "^3.9.0",
-		"phpcsstandards/phpcsutils": "^1.0.10",
-		"phpcsstandards/phpcsextra": "^1.2.1"
+		"squizlabs/php_codesniffer": "^3.13.0",
+		"phpcsstandards/phpcsutils": "^1.1.0",
+		"phpcsstandards/phpcsextra": "^1.4.0"
 	},
 	"require-dev": {
 		"phpcompatibility/php-compatibility": "^9.0",