diff --git a/rules/Php81/Rector/FuncCall/NullToStrictStringFuncCallArgRector.php b/rules/Php81/Rector/FuncCall/NullToStrictStringFuncCallArgRector.php
index 6c904fa5e8e..ed5a62e9f36 100644
--- a/rules/Php81/Rector/FuncCall/NullToStrictStringFuncCallArgRector.php
+++ b/rules/Php81/Rector/FuncCall/NullToStrictStringFuncCallArgRector.php
@@ -6,6 +6,7 @@ namespace Rector\Php81\Rector\FuncCall;
 use PhpParser\Node;
 use PhpParser\Node\Arg;
 use PhpParser\Node\Expr;
+use PhpParser\Node\Expr\ArrayDimFetch;
 use PhpParser\Node\Expr\Cast\String_ as CastString_;
 use PhpParser\Node\Expr\ConstFetch;
 use PhpParser\Node\Expr\FuncCall;
@@ -185,6 +186,9 @@ CODE_SAMPLE
         if ($this->shouldSkipTrait($argValue, $type, $isTrait)) {
             return null;
         }
+        if ($type instanceof MixedType && $args[$position]->value instanceof ArrayDimFetch) {
+            return null;
+        }
         $args[$position]->value = new CastString_($argValue);
         $funcCall->args = $args;
         return $funcCall;
diff --git a/src/Application/VersionResolver.php b/src/Application/VersionResolver.php
index af24b9745f0..529082d84d3 100644
--- a/src/Application/VersionResolver.php
+++ b/src/Application/VersionResolver.php
@@ -19,12 +19,12 @@ final class VersionResolver
      * @api
      * @var string
      */
-    public const PACKAGE_VERSION = '18f482fad0993dbf0b55c628557297610256d87d';
+    public const PACKAGE_VERSION = '7574abd469cbfe569dd47dd9ae9e6aa668a0cf1b';
     /**
      * @api
      * @var string
      */
-    public const RELEASE_DATE = '2024-04-17 09:13:11';
+    public const RELEASE_DATE = '2024-04-17 16:27:51';
     /**
      * @var int
      */