diff --git a/src/Drivers/Abstract/AbstractInputHandler.php b/src/Drivers/Abstract/AbstractInputHandler.php
index d0f25c9b..92ac0b23 100644
--- a/src/Drivers/Abstract/AbstractInputHandler.php
+++ b/src/Drivers/Abstract/AbstractInputHandler.php
@@ -12,7 +12,7 @@ abstract class AbstractInputHandler
     /**
      * Array of decoders which will be stacked into to the input handler chain
      */
-    protected $decoders = [];
+    protected array $decoders = [];
 
     /**
      * Stack the decoder array into a nested decoder object
diff --git a/src/Drivers/Gd/InputHandler.php b/src/Drivers/Gd/InputHandler.php
index 85d69a74..2cd3da3b 100644
--- a/src/Drivers/Gd/InputHandler.php
+++ b/src/Drivers/Gd/InputHandler.php
@@ -17,7 +17,7 @@ use Intervention\Image\Drivers\Gd\Decoders\Base64ImageDecoder;
 
 class InputHandler extends AbstractInputHandler
 {
-    protected $decoders = [
+    protected array $decoders = [
         ImageObjectDecoder::class,
         ColorObjectDecoder::class,
         HexColorDecoder::class,
diff --git a/src/Drivers/Imagick/InputHandler.php b/src/Drivers/Imagick/InputHandler.php
index 3d27678a..c41649d0 100644
--- a/src/Drivers/Imagick/InputHandler.php
+++ b/src/Drivers/Imagick/InputHandler.php
@@ -17,7 +17,7 @@ use Intervention\Image\Drivers\Imagick\Decoders\Base64ImageDecoder;
 
 class InputHandler extends AbstractInputHandler
 {
-    protected $decoders = [
+    protected array $decoders = [
         ImageObjectDecoder::class,
         ColorObjectDecoder::class,
         HexColorDecoder::class,