diff --git a/SlevomatCodingStandard/Sniffs/Classes/ForbiddenPublicPropertySniff.php b/SlevomatCodingStandard/Sniffs/Classes/ForbiddenPublicPropertySniff.php
index 58636062b..282a4104b 100644
--- a/SlevomatCodingStandard/Sniffs/Classes/ForbiddenPublicPropertySniff.php
+++ b/SlevomatCodingStandard/Sniffs/Classes/ForbiddenPublicPropertySniff.php
@@ -12,6 +12,8 @@
 use function array_merge;
 use const T_PRIVATE;
 use const T_PROTECTED;
+use const T_READONLY;
+use const T_SEMICOLON;
 use const T_VAR;
 use const T_VARIABLE;
 
@@ -20,6 +22,9 @@ final class ForbiddenPublicPropertySniff implements Sniff
 
 	public const CODE_FORBIDDEN_PUBLIC_PROPERTY = 'ForbiddenPublicProperty';
 
+	/** @var bool */
+	public $allowReadonly = false;
+
 	/** @var bool */
 	public $checkPromoted = false;
 
@@ -51,6 +56,10 @@ public function process(File $file, $variablePointer): void
 			return;
 		}
 
+		if ($this->allowReadonly && $this->isReadonlyProperty($file, $variablePointer)) {
+			return;
+		}
+
 		$errorMessage = 'Do not use public properties. Use method access instead.';
 		$file->addError($errorMessage, $variablePointer, self::CODE_FORBIDDEN_PUBLIC_PROPERTY);
 	}
@@ -74,4 +83,16 @@ private function getPropertyScopeModifier(File $file, int $position): array
 		return $file->getTokens()[$scopeModifierPosition];
 	}
 
+	private function isReadonlyProperty(File $file, int $position): bool
+	{
+		$readonlyPosition = TokenHelper::findPrevious($file, [T_READONLY], $position - 1);
+		if ($readonlyPosition === null) {
+			return false;
+		}
+
+		$semicolonPosition = TokenHelper::findNext($file, [T_SEMICOLON], $readonlyPosition + 1, $position - 1);
+
+		return $semicolonPosition === null;
+	}
+
 }
diff --git a/tests/Sniffs/Classes/ForbiddenPublicPropertySniffTest.php b/tests/Sniffs/Classes/ForbiddenPublicPropertySniffTest.php
index cba0619a1..bf016bb61 100644
--- a/tests/Sniffs/Classes/ForbiddenPublicPropertySniffTest.php
+++ b/tests/Sniffs/Classes/ForbiddenPublicPropertySniffTest.php
@@ -7,42 +7,62 @@
 class ForbiddenPublicPropertySniffTest extends TestCase
 {
 
-	public function testNoErrors(): void
+	public function testDefault(): void
 	{
-		$report = self::checkFile(__DIR__ . '/data/forbiddenPublicPropertyNoErrors.php');
-		self::assertNoSniffErrorInFile($report);
+		$report = self::checkFile(__DIR__ . '/data/forbiddenPublicProperty.php');
+
+		self::assertSniffError($report, 5, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 6, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
 	}
 
-	public function testErrors(): void
+	public function testReadonly(): void
 	{
-		$report = self::checkFile(__DIR__ . '/data/forbiddenPublicPropertyErrors.php');
-
-		self::assertSame(3, $report->getErrorCount());
+		$report = self::checkFile(__DIR__ . '/data/forbiddenPublicPropertyReadonly.php');
 
 		self::assertSniffError($report, 5, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
 		self::assertSniffError($report, 6, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
 		self::assertSniffError($report, 7, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 8, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 9, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
 	}
 
-	public function testPromotedNoErrors(): void
+	public function testReadonlyPromoted(): void
 	{
-		$report = self::checkFile(__DIR__ . '/data/forbiddenPublicPropertyPromotedNoErrors.php', [
+		$report = self::checkFile(__DIR__ . '/data/forbiddenPublicPropertyReadonly.php', [
 			'checkPromoted' => true,
 		]);
-		self::assertNoSniffErrorInFile($report);
+
+		self::assertSniffError($report, 5, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 6, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 7, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 8, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 9, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 12, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 13, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
 	}
 
-	public function testPromotedErrors(): void
+	public function testReadonlyAllowed(): void
 	{
-		$report = self::checkFile(__DIR__ . '/data/forbiddenPublicPropertyPromotedErrors.php', [
-			'checkPromoted' => true,
+		$report = self::checkFile(__DIR__ . '/data/forbiddenPublicPropertyReadonly.php', [
+			'allowReadonly' => true,
 		]);
 
-		self::assertSame(4, $report->getErrorCount());
+		self::assertSniffError($report, 5, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 6, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 9, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+	}
+
+	public function testReadonlyAllowedPromoted(): void
+	{
+		$report = self::checkFile(__DIR__ . '/data/forbiddenPublicPropertyReadonly.php', [
+			'allowReadonly' => true,
+			'checkPromoted' => true,
+		]);
 
 		self::assertSniffError($report, 5, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
-		self::assertSniffError($report, 13, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
-		self::assertSniffError($report, 14, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 6, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 9, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
+		self::assertSniffError($report, 12, ForbiddenPublicPropertySniff::CODE_FORBIDDEN_PUBLIC_PROPERTY);
 	}
 
 }
diff --git a/tests/Sniffs/Classes/data/forbiddenPublicProperty.php b/tests/Sniffs/Classes/data/forbiddenPublicProperty.php
new file mode 100644
index 000000000..325c93a97
--- /dev/null
+++ b/tests/Sniffs/Classes/data/forbiddenPublicProperty.php
@@ -0,0 +1,15 @@
+<?php
+
+class Test
+{
+	var $var;
+	public $pub;
+	protected $prot;
+	private $priv;
+}
+
+class TestSniff
+{
+	var $var;
+	public $pub;
+}
diff --git a/tests/Sniffs/Classes/data/forbiddenPublicPropertyErrors.php b/tests/Sniffs/Classes/data/forbiddenPublicPropertyErrors.php
deleted file mode 100644
index 341604a60..000000000
--- a/tests/Sniffs/Classes/data/forbiddenPublicPropertyErrors.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-
-class Test
-{
-	var $one;
-	public $two;
-	public $three;
-}
diff --git a/tests/Sniffs/Classes/data/forbiddenPublicPropertyNoErrors.php b/tests/Sniffs/Classes/data/forbiddenPublicPropertyNoErrors.php
deleted file mode 100644
index 98cd284f5..000000000
--- a/tests/Sniffs/Classes/data/forbiddenPublicPropertyNoErrors.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php // lint >= 8.1
-
-function add(int $a, int $b)
-{
-	return $a + $b;
-}
-
-class Test
-{
-	private $one, $two;
-
-	public function __construct(public int $promoted)
-	{
-	}
-}
-
-class TestSniff
-{
-	private $one, $two;
-}
diff --git a/tests/Sniffs/Classes/data/forbiddenPublicPropertyPromotedErrors.php b/tests/Sniffs/Classes/data/forbiddenPublicPropertyPromotedErrors.php
deleted file mode 100644
index 1160802f5..000000000
--- a/tests/Sniffs/Classes/data/forbiddenPublicPropertyPromotedErrors.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php // lint >= 8.1
-
-class Test
-{
-	public function __construct(public int $promoted1, readonly public string $promoted2)
-	{
-	}
-}
-
-class Test2
-{
-	public function __construct(
-		public int $promoted3,
-		readonly public string $promoted4,
-	)
-	{
-	}
-}
diff --git a/tests/Sniffs/Classes/data/forbiddenPublicPropertyPromotedNoErrors.php b/tests/Sniffs/Classes/data/forbiddenPublicPropertyPromotedNoErrors.php
deleted file mode 100644
index 33e91c33b..000000000
--- a/tests/Sniffs/Classes/data/forbiddenPublicPropertyPromotedNoErrors.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php // lint >= 8.1
-
-class Test
-{
-	public function __construct(protected int $promoted1, readonly private string $promoted2)
-	{
-	}
-}
diff --git a/tests/Sniffs/Classes/data/forbiddenPublicPropertyReadonly.php b/tests/Sniffs/Classes/data/forbiddenPublicPropertyReadonly.php
new file mode 100644
index 000000000..0e465e4ee
--- /dev/null
+++ b/tests/Sniffs/Classes/data/forbiddenPublicPropertyReadonly.php
@@ -0,0 +1,24 @@
+<?php // lint >= 8.1
+
+class Test
+{
+	var $var;
+	public $pub;
+	readonly public string $rps;
+	public readonly string $prs;
+	public $pub2;
+
+	public function __construct(
+		public int $promoted1,
+		readonly public string $promoted2
+	)
+	{
+	}
+}
+
+class Test2
+{
+	public function __construct(protected int $promoted1, readonly private string $promoted2)
+	{
+	}
+}