diff --git a/.rubocop.yml b/.rubocop.yml
index 60b503f..422ad1c 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -72,9 +72,6 @@ RSpec/MultipleExpectations:
 RSpec/ExampleLength:
   Max: 35
 
-RSpec/FilePath:
-  Enabled: false
-
 RSpec/MultipleMemoizedHelpers:
   Max: 10
 
diff --git a/Gemfile b/Gemfile
index 37da4ad..239321f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ group :test do
   gem 'rubocop', '~> 1.0'
   gem 'rubocop-performance', '~> 1.5'
   gem 'rubocop-rake', '~> 0.6'
-  gem 'rubocop-rspec', '~> 2.6'
+  gem 'rubocop-rspec', '~> 3.0'
   gem 'simplecov', '~> 0.22'
   gem 'simplecov-lcov', '~> 0.8'
   gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]
diff --git a/spec/lib/lokalise_rails/global_config_spec.rb b/spec/lib/lokalise_rails/global_config_spec.rb
index 2c9a638..14b1810 100644
--- a/spec/lib/lokalise_rails/global_config_spec.rb
+++ b/spec/lib/lokalise_rails/global_config_spec.rb
@@ -120,21 +120,21 @@
     end
 
     it 'is possible to set skip_file_export' do
-      cond = ->(f) { f.nil? }
+      cond = lambda(&:nil?)
       allow(fake_class).to receive(:skip_file_export=).with(cond)
       fake_class.skip_file_export = cond
       expect(fake_class).to have_received(:skip_file_export=)
     end
 
     it 'is possible to set translations_loader' do
-      runner = ->(f) { f.to_json }
+      runner = lambda(&:to_json)
       allow(fake_class).to receive(:translations_loader=).with(runner)
       fake_class.translations_loader = runner
       expect(fake_class).to have_received(:translations_loader=)
     end
 
     it 'is possible to set translations_converter' do
-      runner = ->(f) { f.to_json }
+      runner = lambda(&:to_json)
       allow(fake_class).to receive(:translations_converter=).with(runner)
       fake_class.translations_converter = runner
       expect(fake_class).to have_received(:translations_converter=)