diff --git a/lib/fireblocks/api/request.rb b/lib/fireblocks/api/request.rb
index 64f9a4c..ce408e5 100644
--- a/lib/fireblocks/api/request.rb
+++ b/lib/fireblocks/api/request.rb
@@ -11,7 +11,7 @@ def get(path:, body: '')
         new(path: path).get(body)
       end
 
-      def put(path:, body:)
+      def put(path:, body: {})
         new(path: path).put(body)
       end