diff --git a/environment_config.yaml b/environment_config.yaml
index 5c27155..57b3b3f 100644
--- a/environment_config.yaml
+++ b/environment_config.yaml
@@ -20,6 +20,9 @@ attributes:
     description: 'defines the Virtual Accelerator version to be installed (in 1.x format)'
     weight: 32
     type: "text"
+    restrictions:
+      - condition: "settings:6wind-virtual-accelerator.credentials_package.value == ''"
+        message: "Provide a credentials package"
 
   advanced_params_enabled:
     value: false