diff --git a/composer.json b/composer.json
index 5b9830b..83021ce 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     "require": {
         "php" : "^7.3 || ^8.0",
 		"laminas/laminas-authentication" : "^2.7",
-		"laminas/laminas-crypt" : "^3.0",
+		"laminas/laminas-crypt" : "^4.0",
 		"laminas/laminas-form" : "^3.0",
 		"laminas/laminas-inputfilter" : "^2.10",
 		"laminas/laminas-loader" : "^2.6",