diff --git a/.phpcs.xml.dist b/.phpcs.xml.dist
index 4ca016ad..ea93917a 100644
--- a/.phpcs.xml.dist
+++ b/.phpcs.xml.dist
@@ -44,7 +44,7 @@
 	<rule ref="Generic.ControlStructures.DisallowYodaConditions"/>
 
 	<!-- Check code for cross-version PHP compatibility. -->
-	<config name="testVersion" value="5.4-"/>
+	<config name="testVersion" value="7.4-"/>
 	<rule ref="PHPCompatibility">
 		<!-- Exclude PHP constants back-filled by PHPCS. -->
 		<exclude name="PHPCompatibility.Constants.NewConstants.t_finallyFound"/>
diff --git a/README.md b/README.md
index afea6c2e..2b6c2e27 100644
--- a/README.md
+++ b/README.md
@@ -15,12 +15,12 @@ The rulesets use rules from the [WordPress Coding Standards](https://github.com/
 
 ## Minimal requirements
 
-* PHP 5.4+
-* [PHPCS 3.13.2+](https://github.com/PHPCSStandards/PHP_CodeSniffer/releases)
-* [PHPCSUtils 1.1.0+](https://github.com/PHPCSStandards/PHPCSUtils)
-* [PHPCSExtra 1.4.0+](https://github.com/PHPCSStandards/PHPCSExtra)
-* [WPCS 3.1.0+](https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/releases)
-* [VariableAnalysis 2.12.0+](https://github.com/sirbrillig/phpcs-variable-analysis/releases)
+* PHP 7.4+
+* [PHPCS 3.13.5+](https://github.com/PHPCSStandards/PHP_CodeSniffer/releases)
+* [PHPCSUtils 1.2.3+](https://github.com/PHPCSStandards/PHPCSUtils)
+* [PHPCSExtra 1.5.1+](https://github.com/PHPCSStandards/PHPCSExtra)
+* [WPCS 3.4.1+](https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/releases)
+* [VariableAnalysis 2.13.0+](https://github.com/sirbrillig/phpcs-variable-analysis/releases)
 
 ## Installation
 
diff --git a/composer.json b/composer.json
index bfe45898..30ca3ab7 100644
--- a/composer.json
+++ b/composer.json
@@ -17,11 +17,11 @@
 	],
 	"require": {
 		"php": ">=7.4",
-		"phpcsstandards/phpcsextra": "^1.4.0",
-		"phpcsstandards/phpcsutils": "^1.1.0",
-		"sirbrillig/phpcs-variable-analysis": "^2.12.0",
-		"squizlabs/php_codesniffer": "^3.13.2",
-		"wp-coding-standards/wpcs": "^3.2.0"
+		"phpcsstandards/phpcsextra": "^1.5.1",
+		"phpcsstandards/phpcsutils": "^1.2.3",
+		"sirbrillig/phpcs-variable-analysis": "^2.13.0",
+		"squizlabs/php_codesniffer": "^3.13.5",
+		"wp-coding-standards/wpcs": "^3.4.1"
 	},
 	"require-dev": {
 		"php-parallel-lint/php-parallel-lint": "^1.4.0",