diff --git a/composer.json b/composer.json
index ec61670..af9b6e7 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "drupal/auto_entitylabel": "^3.0@beta",
         "drupal/backup_migrate": "^5",
         "drupal/better_exposed_filters": "^6",
-        "drupal/block_class": "^2",
+        "drupal/block_class": "^4.0",
         "drupal/bpmn_io": "^1",
         "drupal/cancel_button": "^1",
         "drupal/ckeditorheight": "^1",