diff --git a/src/Type/Php/NonEmptyStringFunctionsReturnTypeExtension.php b/src/Type/Php/NonEmptyStringFunctionsReturnTypeExtension.php
index 893627aae2..6933beb828 100644
--- a/src/Type/Php/NonEmptyStringFunctionsReturnTypeExtension.php
+++ b/src/Type/Php/NonEmptyStringFunctionsReturnTypeExtension.php
@@ -34,6 +34,7 @@ public function isFunctionSupported(FunctionReflection $functionReflection): boo
 			'preg_quote',
 			'rawurlencode',
 			'rawurldecode',
+			'strrev',
 		], true);
 	}
 
diff --git a/tests/PHPStan/Analyser/nsrt/non-empty-string.php b/tests/PHPStan/Analyser/nsrt/non-empty-string.php
index c8031310ae..a48f93c88b 100644
--- a/tests/PHPStan/Analyser/nsrt/non-empty-string.php
+++ b/tests/PHPStan/Analyser/nsrt/non-empty-string.php
@@ -359,6 +359,9 @@ public function doFoo(string $s, string $nonEmpty, string $nonFalsy, int $i, boo
 		assertType('string', preg_quote($s));
 		assertType('non-empty-string', preg_quote($nonEmpty));
 
+		assertType('string', strrev($s));
+		assertType('non-empty-string', strrev($nonEmpty));
+
 		assertType('string', sprintf($s));
 		assertType('string', sprintf($nonEmpty));
 		assertType('string', sprintf($s, $nonEmpty));
diff --git a/tests/PHPStan/Analyser/nsrt/non-falsy-string.php b/tests/PHPStan/Analyser/nsrt/non-falsy-string.php
index cef87c8ac4..b287388234 100644
--- a/tests/PHPStan/Analyser/nsrt/non-falsy-string.php
+++ b/tests/PHPStan/Analyser/nsrt/non-falsy-string.php
@@ -110,6 +110,9 @@ function stringFunctions(string $s, $nonFalsey, $arrayOfNonFalsey, $nonEmptyArra
 
 		assertType('non-falsy-string', preg_quote($nonFalsey));
 
+		assertType('string', strrev($s));
+		assertType('non-falsy-string', strrev($nonFalsey));
+
 		assertType('string', sprintf($nonFalsey));
 		assertType("'foo'", sprintf('foo'));
 		assertType("string", sprintf(...$arr));