diff --git a/Gemfile b/Gemfile
index f50f1a6..6727db5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -81,7 +81,7 @@ gem 'ri_cal'
 gem 'yajl-ruby', :require => "yajl"
 
 group :development, :test do
-  gem 'rspec-rails', '~> 2.6'
+  gem 'rspec-rails'
   gem 'webmock', :require => false
   gem 'airbrake', :require => false
   gem 'ruby-debug', :platform => :mri_18
diff --git a/Gemfile.lock b/Gemfile.lock
index cf86d52..87e94a4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -428,7 +428,7 @@ DEPENDENCIES
   rails_autolink
   railties (~> 3.2.14)
   ri_cal
-  rspec-rails (~> 2.6)
+  rspec-rails
   ruby-debug
   ruby-fogbugz
   rushover
diff --git a/spec/interactors/problem_updater_cache_spec.rb b/spec/interactors/problem_updater_cache_spec.rb
index 74796ba..dca8381 100644
--- a/spec/interactors/problem_updater_cache_spec.rb
+++ b/spec/interactors/problem_updater_cache_spec.rb
@@ -70,7 +70,7 @@ describe ProblemUpdaterCache do
         end
 
         it 'update first_notice_at' do
-          expect(problem.first_notice_at.to_i).to be_within(1).of(notice.created_at.to_i)
+          expect(problem.first_notice_at.to_i).to be_within(2).of(notice.created_at.to_i)
         end
 
         it 'update last_notice_at' do
--
libgit2 0.21.2