diff --git a/config/environments/development.rb b/config/environments/development.rb
index 63e9b3387..281b8265a 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -91,6 +91,9 @@
   # Raises error for missing translations.
   config.i18n.raise_on_missing_translations = true
 
+  # Raises error for unpermitted parameters (default is `:log`).
+  config.action_controller.action_on_unpermitted_parameters = :raise
+
   # Annotate rendered view with file names.
   config.action_view.annotate_rendered_view_with_filenames = true
 
diff --git a/config/environments/test.rb b/config/environments/test.rb
index 688ff0752..1b9f17aa0 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -71,6 +71,9 @@
   # Raises error for missing translations.
   config.i18n.raise_on_missing_translations = true
 
+  # Raises error for unpermitted parameters (default is `:log`).
+  config.action_controller.action_on_unpermitted_parameters = :raise
+
   # Annotate rendered view with file names.
   config.action_view.annotate_rendered_view_with_filenames = true