diff --git a/app/models/concerns/cul/omniauth/abilities.rb b/app/models/concerns/cul/omniauth/abilities.rb
index 9e5ee76..5cec7f4 100644
--- a/app/models/concerns/cul/omniauth/abilities.rb
+++ b/app/models/concerns/cul/omniauth/abilities.rb
@@ -80,7 +80,9 @@ def config
       @role_proxy_config ||= begin
         root = (Rails.root.blank?) ? '.' : Rails.root
         path = File.join(root,'config','roles.yml')
-        _opts = YAML.load_file(path)
+        # We'll use YAML loading logic similar to Rails 7, for older and newer psych gem compatibility
+        # https://github.com/rails/rails/blob/7-1-stable/activesupport/lib/active_support/encrypted_configuration.rb#L99
+        _opts = YAML.respond_to?(:unsafe_load) ? YAML.unsafe_load_file(path) : YAML.load_file(path)
         all_config = _opts.fetch("_all_environments", {})
         env_config = _opts.fetch(Rails.env, {})
         symbolize_hash_keys(all_config.merge(env_config))
diff --git a/lib/cul/omniauth/file_configurable.rb b/lib/cul/omniauth/file_configurable.rb
index 0c807ab..818f993 100644
--- a/lib/cul/omniauth/file_configurable.rb
+++ b/lib/cul/omniauth/file_configurable.rb
@@ -8,7 +8,11 @@ module Cul::Omniauth::FileConfigurable
   module ClassMethods
     def cas_configuration_opts
       @cas_opts ||= begin
-        _opts = YAML.load_file(File.join(Rails.root,'config','cas.yml'))[Rails.env] || {}
+        conf_path = File.join(Rails.root,'config','cas.yml')
+        # We'll use YAML loading logic similar to Rails 7, for older and newer psych gem compatibility
+        # https://github.com/rails/rails/blob/7-1-stable/activesupport/lib/active_support/encrypted_configuration.rb#L99
+        conf = YAML.respond_to?(:unsafe_load) ? YAML.unsafe_load_file(conf_path) : YAML.load_file(conf_path)
+        _opts = conf[Rails.env] || {}
         _opts = _opts.symbolize_keys
         _opts
       end