diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..be94e6f
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+3.2.2
diff --git a/Gemfile b/Gemfile
index d6cc10b..23798ba 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,3 +11,9 @@ gem "pry", ">= 0.14"
 gem "rake", "~> 13.0"
 gem "rspec", "~> 3.0"
 gem "rubocop", "~> 1.21"
+
+group :development do
+  gem "solargraph-rails", "~> 0.2.0.pre"
+  gem "sorbet"
+  gem "tapioca", require: false
+end
diff --git a/Gemfile.lock b/Gemfile.lock
index 9c958bd..2b86657 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    open_router (0.2.1)
+    open_router (0.2.2)
       activesupport (>= 6.0)
       dotenv (>= 2)
       faraday (>= 1)
@@ -21,7 +21,9 @@ GEM
       mutex_m
       tzinfo (~> 2.0)
     ast (2.4.2)
+    backport (1.2.0)
     base64 (0.2.0)
+    benchmark (0.3.0)
     bigdecimal (3.1.7)
     coderay (1.1.3)
     concurrent-ruby (1.2.3)
@@ -29,6 +31,8 @@ GEM
     diff-lcs (1.5.0)
     dotenv (3.1.0)
     drb (2.2.1)
+    e2mmap (0.1.0)
+    erubi (1.12.0)
     faraday (2.7.10)
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
@@ -37,23 +41,40 @@ GEM
     faraday-net_http (3.0.2)
     i18n (1.14.4)
       concurrent-ruby (~> 1.0)
+    jaro_winkler (1.5.6)
     json (2.6.3)
+    kramdown (2.4.0)
+      rexml
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
     language_server-protocol (3.17.0.3)
     method_source (1.0.0)
     minitest (5.22.3)
     multipart-post (2.3.0)
     mutex_m (0.2.0)
+    netrc (0.11.0)
+    nokogiri (1.16.4-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.16.4-x86_64-linux)
+      racc (~> 1.4)
     parallel (1.23.0)
     parser (3.2.2.3)
       ast (~> 2.4.1)
       racc
+    prism (0.24.0)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.7.1)
     rainbow (3.1.1)
     rake (13.0.6)
+    rbi (0.1.10)
+      prism (>= 0.18.0, < 0.25)
+      sorbet-runtime (>= 0.5.9204)
+    rbs (2.8.4)
     regexp_parser (2.8.1)
+    reverse_markdown (2.1.1)
+      nokogiri
     rexml (3.2.6)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
@@ -83,9 +104,56 @@ GEM
       parser (>= 3.2.1.0)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
+    solargraph (0.50.0)
+      backport (~> 1.2)
+      benchmark
+      bundler (~> 2.0)
+      diff-lcs (~> 1.4)
+      e2mmap
+      jaro_winkler (~> 1.5)
+      kramdown (~> 2.3)
+      kramdown-parser-gfm (~> 1.1)
+      parser (~> 3.0)
+      rbs (~> 2.0)
+      reverse_markdown (~> 2.0)
+      rubocop (~> 1.38)
+      thor (~> 1.0)
+      tilt (~> 2.0)
+      yard (~> 0.9, >= 0.9.24)
+    solargraph-rails (0.2.2.pre.4)
+      activesupport
+      solargraph (>= 0.41.1)
+    sorbet (0.5.11342)
+      sorbet-static (= 0.5.11342)
+    sorbet-runtime (0.5.11342)
+    sorbet-static (0.5.11342-universal-darwin)
+    sorbet-static (0.5.11342-x86_64-linux)
+    sorbet-static-and-runtime (0.5.11342)
+      sorbet (= 0.5.11342)
+      sorbet-runtime (= 0.5.11342)
+    spoom (1.3.0)
+      erubi (>= 1.10.0)
+      prism (>= 0.19.0)
+      sorbet-static-and-runtime (>= 0.5.10187)
+      thor (>= 0.19.2)
+    tapioca (0.13.1)
+      bundler (>= 2.2.25)
+      netrc (>= 0.11.0)
+      parallel (>= 1.21.0)
+      rbi (>= 0.1.4, < 0.2)
+      sorbet-static-and-runtime (>= 0.5.11087)
+      spoom (>= 1.2.0)
+      thor (>= 1.2.0)
+      yard-sorbet
+    thor (1.3.1)
+    tilt (2.3.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.4.2)
+    yard (0.9.36)
+    yard-sorbet (0.8.1)
+      sorbet-runtime (>= 0.5)
+      yard (>= 0.9)
 
 PLATFORMS
   arm64-darwin-21
@@ -99,6 +167,9 @@ DEPENDENCIES
   rake (~> 13.0)
   rspec (~> 3.0)
   rubocop (~> 1.21)
+  solargraph-rails (~> 0.2.0.pre)
+  sorbet
+  tapioca
 
 BUNDLED WITH
    2.4.12
diff --git a/lib/open_router/version.rb b/lib/open_router/version.rb
index 3df29c2..96b8b04 100644
--- a/lib/open_router/version.rb
+++ b/lib/open_router/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module OpenRouter
-  VERSION = "0.2.1"
+  VERSION = "0.2.2"
 end
diff --git a/open_router.gemspec b/open_router.gemspec
index e07fde9..6dc9710 100644
--- a/open_router.gemspec
+++ b/open_router.gemspec
@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.summary = "Ruby library for OpenRouter API."
   spec.homepage = "https://github.com/OlympiaAI/open_router"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.2.1"
+  spec.required_ruby_version = ">= 3.2.2"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = "https://github.com/OlympiaAI/open_router"