diff --git a/composer.json b/composer.json
index 8280b34..ad582b5 100644
--- a/composer.json
+++ b/composer.json
@@ -89,6 +89,10 @@
             "pattern-skip-version": "(-build|-patch)"
         }
     },
+    "conflict": {
+        "dektrium/yii2-rbac": "*",
+        "dektrium/yii2-user": "*"
+    },
     "extra": {
         "bootstrap": "Da\\User\\Bootstrap"
     }