diff --git a/app/controllers/concerns/blacklight/token_based_user.rb b/app/controllers/concerns/blacklight/token_based_user.rb
index b675da61ff..b317045716 100644
--- a/app/controllers/concerns/blacklight/token_based_user.rb
+++ b/app/controllers/concerns/blacklight/token_based_user.rb
@@ -52,7 +52,10 @@ def secret_key_generator
     @secret_key_generator ||= begin
       app = Rails.application
 
-      secret_key_base = if app.respond_to?(:credentials)
+      secret_key_base = if app.respond_to?(:secret_key_base)
+                          # Rails 7
+                          app.secret_key_base
+                        elsif app.respond_to?(:credentials)
                           # Rails 5.2+
                           app.credentials.secret_key_base
                         else