diff --git a/action.yml b/action.yml
index 46a64b1..d76e2ca 100644
--- a/action.yml
+++ b/action.yml
@@ -6,7 +6,8 @@ inputs:
     required: false
   api-endpoint:
     description: Seqera Platform API endpoint
-    required: false
+    required: true
+    default: "https://tower.nf/api"
 runs:
   using: "composite"
   steps: