diff --git a/.github/workflows/specs.yml b/.github/workflows/specs.yml
index 027881da..64d2f1ee 100644
--- a/.github/workflows/specs.yml
+++ b/.github/workflows/specs.yml
@@ -7,13 +7,13 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['2.7.x', '3.0.x', '3.1.x' ]
+        ruby: ['2.7.8', '3.0.6', '3.1.4' ]
     name: ${{ matrix.ruby }}
 
     steps:
       - uses: actions/checkout@v3
       - name: Set up ruby
-        uses: actions/setup-ruby@v1
+        uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
       - name: Install dependencies
diff --git a/Gemfile.lock b/Gemfile.lock
index 08e1b7e1..5fd01ff1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    stoplight (3.0.1)
+    stoplight (3.0.2)
       redlock (~> 1.0)
 
 GEM
diff --git a/lib/stoplight/light/runnable.rb b/lib/stoplight/light/runnable.rb
index f878982b..32305832 100644
--- a/lib/stoplight/light/runnable.rb
+++ b/lib/stoplight/light/runnable.rb
@@ -52,7 +52,18 @@ def run_red
         fallback.call(nil)
       end
 
+      MISSING_BLOCK_ERROR = <<~ERROR
+        Oops! An error occurred while executing the `Stoplight#run` method. This happened because you
+        didn't pass a code block to the `Stoplight()` function. You can fix this issue this way:
+
+          Stoplight('test-light') { ... }.run
+
+        For more details and examples, please refer to the documentation https://github.com/bolshakov/stoplight/tree/release/v3.x
+      ERROR
+
       def run_code(on_success, on_failure)
+        raise ArgumentError, MISSING_BLOCK_ERROR unless code
+
         result = code.call
         failures = clear_failures
         on_success&.call(failures)
diff --git a/lib/stoplight/version.rb b/lib/stoplight/version.rb
index 0760b348..c2b19700 100644
--- a/lib/stoplight/version.rb
+++ b/lib/stoplight/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Stoplight
-  VERSION = Gem::Version.new('3.0.1')
+  VERSION = Gem::Version.new('3.0.2')
 end
diff --git a/spec/stoplight/light/runnable_spec.rb b/spec/stoplight/light/runnable_spec.rb
index 96764fb9..ab2ead50 100644
--- a/spec/stoplight/light/runnable_spec.rb
+++ b/spec/stoplight/light/runnable_spec.rb
@@ -285,5 +285,13 @@ def random_string
         end
       end
     end
+
+    context 'when the code block is missing' do
+      subject { Stoplight::Light.new(name) }
+
+      it 'raises an ArgumentError error' do
+        expect { subject.run }.to raise_error(ArgumentError)
+      end
+    end
   end
 end
diff --git a/stoplight.gemspec b/stoplight.gemspec
index e3e33f6c..d230d664 100644
--- a/stoplight.gemspec
+++ b/stoplight.gemspec
@@ -31,7 +31,7 @@ Gem::Specification.new do |gem|
 
   gem.required_ruby_version = '>= 2.6'
 
-  gem.add_dependency 'redlock', "~> 1.0"
+  gem.add_dependency 'redlock', '~> 1.0'
 
   gem.add_development_dependency('benchmark-ips', '~> 2.3')
   gem.add_development_dependency('bugsnag', '~> 4.0')