diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 85673f5..56da6f5 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -6,8 +6,18 @@
 
 	<rule ref="Required">
 		<exclude name="PSR1.Files.SideEffects.FoundWithSymbols"/>
+		<exclude name="WordPress.Security.EscapeOutput.ExceptionNotEscaped"/>
 	</rule>
 
+	<!-- The minimum supported WordPress version for all sniffs which use it. -->
+	<config name="minimum_supported_wp_version" value="6.3"/>
+	<!-- The minimum PHP requirement. -->
+	<config name="testVersion" value="7.4-"/>
+
+	<rule ref="WordPress.Files.FileName.NotHyphenatedLowercase">
+		<exclude-pattern>/src/Plugin\.php</exclude-pattern>
+		<exclude-pattern>/res/deploy\.tpl\.php</exclude-pattern>
+	</rule>
 	<rule ref="WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase">
 		<exclude-pattern>/src/Plugin\.php</exclude-pattern>
 	</rule>
@@ -20,7 +30,7 @@
 	<rule ref="Squiz.Commenting.FunctionCommentThrowTag.Missing">
 		<exclude-pattern>/src/Plugin\.php</exclude-pattern>
 	</rule>
-	<rule ref="WordPress.WP.CapitalPDangit.Misspelled">
+	<rule ref="WordPress.WP.CapitalPDangit.MisspelledInText">
 		<exclude-pattern>/res/deploy\.tpl\.php</exclude-pattern>
 	</rule>
 </ruleset>
diff --git a/src/Plugin.php b/src/Plugin.php
index a65b78c..25a9c14 100644
--- a/src/Plugin.php
+++ b/src/Plugin.php
@@ -57,7 +57,7 @@ public function activate( Composer $composer, IOInterface $io ): void {
 
 		$config = $this->composer->getConfig();
 
-		$this->rootDir = dirname( $config->getConfigSource()->getName() );
+		$this->rootDir = \dirname( $config->getConfigSource()->getName() );
 	}
 
 	/**
@@ -116,14 +116,14 @@ public function copyDeployerConfig( PackageEvent $event ): void {
 		} elseif ( $operation instanceof UpdateOperation ) {
 			$package = $operation->getTargetPackage();
 		} else {
-			throw new \Exception( 'Unknown operation: ' . \get_class( $operation ) );
+			throw new \Exception( 'Unknown operation: ' . \get_class( $operation ) ); // phpcs:ignore SlevomatCodingStandard.Classes.ModernClassNameReference.ClassNameReferencedViaFunctionCall -- Switch to $operation::class when PHP 8.0 is minimum.
 		}
 
 		if ( self::PLUGIN_PACKAGE_NAME !== $package->getName() ) {
 			return;
 		}
 
-		$source = dirname( __DIR__ ) . '/res/deploy.tpl.php';
+		$source = \dirname( __DIR__ ) . '/res/deploy.tpl.php';
 		$dest   = $this->rootDir . '/deploy.php';
 
 		$copied = copy( $source, $dest );