diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index a7ec3cb..684924a 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -15,6 +15,8 @@ jobs:
   rubocop:
     name: Rubocop
     uses: theforeman/actions/.github/workflows/rubocop.yml@v0
+    with:
+      ruby: 3.0
 
   test:
     name: Tests
diff --git a/.rubocop.yml b/.rubocop.yml
index 749f3fe..070e852 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -6,7 +6,7 @@ require:
   - rubocop-rake
 
 AllCops:
-  TargetRubyVersion: '2.7'
+  TargetRubyVersion: '3.0'
 
 # Don't enforce documentation
 Style/Documentation:
@@ -114,4 +114,4 @@ Layout/LineLength:
   Max: 197
 
 Style/SlicingWithRange:
-  Enabled: false
\ No newline at end of file
+  Enabled: false
diff --git a/lib/smart_proxy_dynflow/api.rb b/lib/smart_proxy_dynflow/api.rb
index cce41df..27087a3 100644
--- a/lib/smart_proxy_dynflow/api.rb
+++ b/lib/smart_proxy_dynflow/api.rb
@@ -13,7 +13,7 @@ class Api < ::Sinatra::Base
 
       include ::Sinatra::Authorization::Helpers
 
-      TASK_UPDATE_REGEXP_PATH = %r{/tasks/(\S+)/(update|done)}.freeze
+      TASK_UPDATE_REGEXP_PATH = %r{/tasks/(\S+)/(update|done)}
 
       before do
         if match = request.path_info.match(TASK_UPDATE_REGEXP_PATH)
diff --git a/smart_proxy_dynflow.gemspec b/smart_proxy_dynflow.gemspec
index 201bd2f..642b35d 100644
--- a/smart_proxy_dynflow.gemspec
+++ b/smart_proxy_dynflow.gemspec
@@ -21,9 +21,9 @@ Gem::Specification.new do |gem|
   gem.require_paths = ["lib"]
   gem.license = 'GPL-3.0-only'
 
-  gem.required_ruby_version = '>= 2.7', '< 4'
+  gem.required_ruby_version = '>= 3.0'
 
-  gem.add_runtime_dependency('dynflow', "~> 1.6")
+  gem.add_runtime_dependency('dynflow', '>= 1.6', '< 3.0')
   gem.add_runtime_dependency('rest-client', '~> 2.0')
   gem.add_runtime_dependency('sqlite3', '~> 1.0')