diff --git a/NEWS.md b/NEWS.md
index dfd2e59c..d1c9c446 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -2,6 +2,11 @@
 
 ## [unreleased]
 
+## Release v2.3.1/v1.5.1 (20-12-2024)
+
+- Fallback to Ruby's Warning module if ActiveSupport doesn't exist. Relevant for old Rails versions.
+- Added documentation on how to _"properly"_ configure the deprecator in a Rails application.
+
 ## Release v2.3.0/v1.5.0 (19-12-2024)
 
 - Use ActiveSupport's deprecation machinery instead of Ruby's Warning module.
diff --git a/lib/arel_extensions/version.rb b/lib/arel_extensions/version.rb
index 9ddaeb1a..2fa4a351 100644
--- a/lib/arel_extensions/version.rb
+++ b/lib/arel_extensions/version.rb
@@ -1,3 +1,3 @@
 module ArelExtensions
-  VERSION = '2.3.0'.freeze
+  VERSION = '2.3.1'.freeze
 end
diff --git a/lib/arel_extensions/warning.rb b/lib/arel_extensions/warning.rb
index f59a9b75..375c4b67 100644
--- a/lib/arel_extensions/warning.rb
+++ b/lib/arel_extensions/warning.rb
@@ -1,18 +1,25 @@
 module ArelExtensions
-  if RUBY_VERSION.split('.')[0].to_i < 3
-    class RubyDeprecator
+  class RubyDeprecator
+    if RUBY_VERSION.split('.')[0].to_i < 3
       def warn msg
         Kernel.warn(msg)
       end
-    end
-  else
-    class RubyDeprecator
+    else
       def warn msg
         Kernel.warn(msg, category: :deprecated)
       end
     end
   end
 
+  # To configure deprecations in a Rails application, you can do something
+  # like this:
+  #
+  # ```ruby
+  #   ArelExtensions.deprecator.behavior =
+  #     (Rails.application.config.active_support.deprecation || :stderr)
+  # ```
+  #
+  # See ActiveSupport's deprecation documentation for more details.
   def self.deprecator
     @deprecator ||=
       if defined?(ActiveSupport::Deprecation)
diff --git a/version_v1.rb b/version_v1.rb
index e1fb7b4c..94fec7a4 100644
--- a/version_v1.rb
+++ b/version_v1.rb
@@ -1,3 +1,3 @@
 module ArelExtensions
-  VERSION = '1.5.0'.freeze
+  VERSION = '1.5.1'.freeze
 end
diff --git a/version_v2.rb b/version_v2.rb
index 9ddaeb1a..2fa4a351 100644
--- a/version_v2.rb
+++ b/version_v2.rb
@@ -1,3 +1,3 @@
 module ArelExtensions
-  VERSION = '2.3.0'.freeze
+  VERSION = '2.3.1'.freeze
 end