diff --git a/Gemfile.lock b/Gemfile.lock
index 89f5b30..3ae8e20 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,75 +7,62 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.3.2)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2, >= 2.2.2)
-    aruba (1.0.2)
+    aruba (2.0.0)
+      bundler (>= 1.17, < 3.0)
       childprocess (>= 2.0, < 5.0)
-      contracts (~> 0.16.0)
-      cucumber (>= 2.4, < 5.0)
-      ffi (~> 1.9)
+      contracts (>= 0.16.0, < 0.18.0)
+      cucumber (>= 4.0, < 8.0)
       rspec-expectations (~> 3.4)
       thor (~> 1.0)
     ast (2.4.1)
     builder (3.2.4)
     byebug (11.1.3)
-    childprocess (4.0.0)
-    concurrent-ruby (1.1.6)
-    contracts (0.16.0)
-    cucumber (4.1.0)
-      builder (~> 3.2, >= 3.2.3)
-      cucumber-core (~> 7.1, >= 7.1.0)
-      cucumber-create-meta (~> 1.0.0, >= 1.0.0)
-      cucumber-cucumber-expressions (~> 10.1, >= 10.1.0)
-      cucumber-gherkin (~> 14.0, >= 14.0.1)
-      cucumber-html-formatter (~> 7.0, >= 7.0.0)
-      cucumber-messages (~> 12.2, >= 12.2.0)
-      cucumber-wire (~> 3.1, >= 3.1.0)
-      diff-lcs (~> 1.3, >= 1.3, < 1.4)
+    childprocess (4.1.0)
+    contracts (0.16.1)
+    cucumber (7.0.0)
+      builder (~> 3.2, >= 3.2.4)
+      cucumber-core (~> 10.0, >= 10.0.1)
+      cucumber-create-meta (~> 6.0, >= 6.0.1)
+      cucumber-cucumber-expressions (~> 12.1, >= 12.1.1)
+      cucumber-gherkin (~> 20.0, >= 20.0.1)
+      cucumber-html-formatter (~> 16.0, >= 16.0.1)
+      cucumber-messages (~> 17.0, >= 17.0.1)
+      cucumber-wire (~> 6.0, >= 6.0.1)
+      diff-lcs (~> 1.4, >= 1.4.4)
+      mime-types (~> 3.3, >= 3.3.1)
       multi_test (~> 0.1, >= 0.1.2)
-      sys-uname (~> 1.0, >= 1.0.2)
-    cucumber-core (7.1.0)
-      cucumber-gherkin (~> 14.0, >= 14.0.1)
-      cucumber-messages (~> 12.2, >= 12.2.0)
-      cucumber-tag-expressions (~> 2.0, >= 2.0.4)
-    cucumber-create-meta (1.0.0)
-      cucumber-messages (~> 12.2, >= 12.2.0)
-      sys-uname (~> 1.2, >= 1.2.1)
-    cucumber-cucumber-expressions (10.2.1)
-    cucumber-gherkin (14.0.1)
-      cucumber-messages (~> 12.2, >= 12.2.0)
-    cucumber-html-formatter (7.0.0)
-      cucumber-messages (~> 12.2, >= 12.2.0)
-    cucumber-messages (12.2.0)
-      protobuf-cucumber (~> 3.10, >= 3.10.8)
-    cucumber-tag-expressions (2.0.4)
-    cucumber-wire (3.1.0)
-      cucumber-core (~> 7.1, >= 7.1.0)
-      cucumber-cucumber-expressions (~> 10.1, >= 10.1.0)
-      cucumber-messages (~> 12.2, >= 12.2.0)
-    diff-lcs (1.3)
+      sys-uname (~> 1.2, >= 1.2.2)
+    cucumber-core (10.0.1)
+      cucumber-gherkin (~> 20.0, >= 20.0.1)
+      cucumber-messages (~> 17.0, >= 17.0.1)
+      cucumber-tag-expressions (~> 3.0, >= 3.0.1)
+    cucumber-create-meta (6.0.1)
+      cucumber-messages (~> 17.0, >= 17.0.1)
+      sys-uname (~> 1.2, >= 1.2.2)
+    cucumber-cucumber-expressions (12.1.1)
+    cucumber-gherkin (20.0.1)
+      cucumber-messages (~> 17.0, >= 17.0.1)
+    cucumber-html-formatter (16.0.1)
+      cucumber-messages (~> 17.0, >= 17.0.1)
+    cucumber-messages (17.0.1)
+    cucumber-tag-expressions (3.0.1)
+    cucumber-wire (6.0.1)
+      cucumber-core (~> 10.0, >= 10.0.1)
+      cucumber-cucumber-expressions (~> 12.1, >= 12.1.1)
+      cucumber-messages (~> 17.0, >= 17.0.1)
+    diff-lcs (1.4.4)
     docile (1.3.2)
-    ffi (1.13.1)
-    i18n (1.8.3)
-      concurrent-ruby (~> 1.0)
+    ffi (1.15.3)
     json (2.3.1)
     methadone (2.0.2)
       bundler
-    middleware (0.1.0)
-    minitest (5.14.1)
+    mime-types (3.3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2021.0704)
     multi_test (0.1.2)
     parallel (1.19.2)
     parser (2.7.1.4)
       ast (~> 2.4.1)
-    protobuf-cucumber (3.10.8)
-      activesupport (>= 3.2)
-      middleware
-      thor
-      thread_safe
     rainbow (3.0.0)
     rdoc (6.2.1)
     regexp_parser (1.7.1)
@@ -86,13 +73,13 @@ GEM
       rspec-mocks (~> 3.9.0)
     rspec-core (3.9.2)
       rspec-support (~> 3.9.3)
-    rspec-expectations (3.9.2)
+    rspec-expectations (3.9.4)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-mocks (3.9.1)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
-    rspec-support (3.9.3)
+    rspec-support (3.9.4)
     rubocop (0.86.0)
       parallel (~> 1.10)
       parser (>= 2.7.0.1)
@@ -110,20 +97,16 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    sys-uname (1.2.1)
-      ffi (>= 1.0.0)
-    thor (1.0.1)
-    thread_safe (0.3.6)
-    tzinfo (1.2.7)
-      thread_safe (~> 0.1)
+    sys-uname (1.2.2)
+      ffi (~> 1.1)
+    thor (1.1.0)
     unicode-display_width (1.7.0)
-    zeitwerk (2.3.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  aruba (~> 1.0, >= 1.0.2)
+  aruba (~> 2.0, >= 1.0.2)
   bundler (~> 2.1, >= 2.1.4)
   byebug (~> 11.1, >= 11.1.3)
   primes_table!
diff --git a/primes_table.gemspec b/primes_table.gemspec
index 0ea5fd9..cea2e60 100644
--- a/primes_table.gemspec
+++ b/primes_table.gemspec
@@ -22,7 +22,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
   spec.required_ruby_version = '>= 2.7.1'
 
-  spec.add_development_dependency 'aruba', '~> 1.0', '>= 1.0.2'
+  spec.add_development_dependency 'aruba', '>= 1.0.2', '~> 2.0'
   spec.add_development_dependency 'bundler', '~> 2.1', '>= 2.1.4'
   spec.add_development_dependency 'byebug', '~> 11.1', '>= 11.1.3'
   spec.add_development_dependency 'rdoc', '~> 6.2', '>= 6.2.1'