diff --git a/lib/global_id/verifier.rb b/lib/global_id/verifier.rb
index 847966d..f3eac48 100644
--- a/lib/global_id/verifier.rb
+++ b/lib/global_id/verifier.rb
@@ -3,11 +3,11 @@
 class GlobalID
   class Verifier < ActiveSupport::MessageVerifier
     private
-      def encode(data)
+      def encode(data, **)
         ::Base64.urlsafe_encode64(data)
       end
 
-      def decode(data)
+      def decode(data, **)
         ::Base64.urlsafe_decode64(data)
       end
   end