diff --git a/pkgs/ruby/README.md b/pkgs/ruby/README.md
index eb8c1cd..c273993 100644
--- a/pkgs/ruby/README.md
+++ b/pkgs/ruby/README.md
@@ -6,3 +6,24 @@
 
 Binding to [libkernaux](https://github.com/tailix/libkernaux) - auxiliary
 library for kernel development.
+
+
+
+Install
+-------
+
+Add the following to your `Gemfile`:
+
+```ruby
+gem 'kernaux', '~> 0.1.0'
+```
+
+Or add the following to your `*.gemspec`:
+
+```ruby
+Gem::Specification.new do |spec|
+  # ...
+  spec.add_runtime_dependency 'kernaux', '~> 0.1.0'
+  # ...
+end
+```