diff --git a/packages/TypeDeclaration/src/Rector/FunctionLike/ReturnTypeDeclarationRector.php b/packages/TypeDeclaration/src/Rector/FunctionLike/ReturnTypeDeclarationRector.php
index cb4d3b763dfc..0da457ee7eb0 100644
--- a/packages/TypeDeclaration/src/Rector/FunctionLike/ReturnTypeDeclarationRector.php
+++ b/packages/TypeDeclaration/src/Rector/FunctionLike/ReturnTypeDeclarationRector.php
@@ -152,8 +152,7 @@ public function refactor(Node $node): ?Node
                 }
             }
 
-            // @see https://wiki.php.net/rfc/covariant-returns-and-contravariant-parameters
-            if ($this->isAtLeastPhpVersion('7.4') && $isSubtype) {
+            if ($this->isAtLeastPhpVersion(PhpVersionFeature::COVARIANT_RETURN) && $isSubtype) {
                 $node->returnType = $inferredReturnNode;
             } elseif (! $isSubtype) { // type override
                 $node->returnType = $inferredReturnNode;
diff --git a/src/ValueObject/PhpVersionFeature.php b/src/ValueObject/PhpVersionFeature.php
index 2d00ce90d7e4..86b7f731881c 100644
--- a/src/ValueObject/PhpVersionFeature.php
+++ b/src/ValueObject/PhpVersionFeature.php
@@ -66,6 +66,12 @@ final class PhpVersionFeature
      */
     public const BEFORE_UNION_TYPES = '7.4';
 
+    /**
+     * @see https://wiki.php.net/rfc/covariant-returns-and-contravariant-parameters
+     * @var string
+     */
+    public const COVARIANT_RETURN = '7.4';
+
     /**
      * @var string
      */