diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5c1eecc..b3e2738 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
       CI: true
     strategy:
       matrix:
-        ruby-version: ['3.0', '3.1', '3.2']
+        ruby-version: ['3.1', '3.2', '3.3']
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
@@ -39,3 +39,18 @@ jobs:
           bundler-cache: true
       - name: Lint Ruby files
         run: bundle exec rubocop --parallel
+
+  typecheck:
+    runs-on: ubuntu-latest
+    env:
+      CI: true
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Install Ruby and gems
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2'
+          bundler-cache: true
+      - name: Typecheck Ruby files
+        run: bundle exec srb tc
diff --git a/.rubocop.yml b/.rubocop.yml
index ec38420..b561240 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -2,7 +2,7 @@ inherit_gem:
   rubocop-espago: rubocop.yml
 
 AllCops:
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.1
   Exclude:
     - lib/tapioca/**/*.rb
 
diff --git a/Gemfile b/Gemfile
index 06d75a4..8d4028b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,4 +11,5 @@ gem 'rake', '~> 13.0' # automation tasks
 gem 'rubocop-espago', '~> 1.0' # ruby linter
 gem 'shoulda-context', '~> 2.0' # more pleasant test syntax
 gem 'solargraph', '~> 0.48'  # language server
+gem 'sorbet', '>= 0.5' # static typechecker
 gem 'tapioca', '> 0.13' # RBI generator for sorbet
diff --git a/Gemfile.lock b/Gemfile.lock
index 6ddbd22..51927e6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -120,6 +120,7 @@ DEPENDENCIES
   shale-builder!
   shoulda-context (~> 2.0)
   solargraph (~> 0.48)
+  sorbet (>= 0.5)
   tapioca (> 0.13)
 
 BUNDLED WITH
diff --git a/shale-builder.gemspec b/shale-builder.gemspec
index 6dafef3..c3ce5f2 100644
--- a/shale-builder.gemspec
+++ b/shale-builder.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description = spec.summary
   spec.homepage = 'https://github.com/Verseth/ruby-shale-builder'
   spec.license = 'MIT'
-  spec.required_ruby_version = '>= 3.0.0'
+  spec.required_ruby_version = '>= 3.1.0'
 
   spec.metadata['homepage_uri'] = spec.homepage
   spec.metadata['source_code_uri'] = spec.homepage