diff --git a/composer.json b/composer.json
index ca730e4..0ffcb5b 100644
--- a/composer.json
+++ b/composer.json
@@ -30,6 +30,9 @@
         "silverstripe/standards": "^1",
         "phpstan/extension-installer": "^1.3"
     },
+    "conflict": {
+        "symbiote/silverstripe-queuedjobs": "6.0.0-alpha1"
+    },
     "autoload": {
         "psr-4": {
             "SilverStripe\\StaticPublishQueue\\": "src/",