diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30ab9cd..78a3f37 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## Version 2.1.1 (2024-02-10)
+
 ### Changed
 
 * Compatibility with Cocooned 2.1 (#15)
@@ -13,7 +15,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 * Update test matrix (#14)  
   Add Ruby 3.3. Drop Ruby 2.6 and Ruby 2.7
 
-
 ## Version 2.1.0 (2023-08-29)
 
 ### Added
diff --git a/Gemfile.lock b/Gemfile.lock
index 7120ea6..29233d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    composite_content (2.1.0)
+    composite_content (2.1.1)
       active_model_validations_reflection
       acts_as_list (>= 1.0.4)
       cocooned (~> 2.0)
diff --git a/lib/composite_content/active_record.rb b/lib/composite_content/active_record.rb
index 244f5fe..2ef6c7b 100644
--- a/lib/composite_content/active_record.rb
+++ b/lib/composite_content/active_record.rb
@@ -34,7 +34,7 @@ def instance_mixin(name)
 
         def class_mixin(name)
           Module.new do
-            define_method "strong_parameters_for_#{name}" do
+            define_method :"strong_parameters_for_#{name}" do
               reflect_on_association(name).class_name.constantize.strong_parameters
             end
           end
diff --git a/lib/composite_content/version.rb b/lib/composite_content/version.rb
index 98ae222..7fc3478 100644
--- a/lib/composite_content/version.rb
+++ b/lib/composite_content/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module CompositeContent
-  VERSION = '2.1.0'
+  VERSION = '2.1.1'
 end
diff --git a/spec/unit/shared/model_with_composite_content.rb b/spec/unit/shared/model_with_composite_content.rb
index cdbd185..c9c6edb 100644
--- a/spec/unit/shared/model_with_composite_content.rb
+++ b/spec/unit/shared/model_with_composite_content.rb
@@ -14,7 +14,7 @@
 
   describe ".strong_parameters_for_#{association}" do
     it 'returns slot class strong parameters definition Hash' do
-      expect(parent.send("strong_parameters_for_#{association}")).to eq(classname.constantize.strong_parameters)
+      expect(parent.send(:"strong_parameters_for_#{association}")).to eq(classname.constantize.strong_parameters)
     end
   end
 end