diff --git a/db/migrate/20250601000004_create_ansible_schema.rb b/db/migrate/20250601000004_create_ansible_schema.rb
index c5d45b93..0062309a 100644
--- a/db/migrate/20250601000004_create_ansible_schema.rb
+++ b/db/migrate/20250601000004_create_ansible_schema.rb
@@ -59,7 +59,7 @@ def change
 
     add_foreign_key :ad_execution_environments, :taxonomies, column: :organization_id
     add_index :ad_execution_environments, :organization_id
-    add_index :ad_execution_environments, :name
+    add_index :ad_execution_environments, :name, unique: true
 
     create_table :ad_execution_environment_content_units do |t|
       t.integer :execution_environment_id, null: false