diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 2f6f723..7200eff 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -363,12 +363,6 @@ Style/Proc:
 Style/RaiseArgs:
   Enabled: false
 
-# Offense count: 1
-# Cop supports --auto-correct.
-Style/RedundantException:
-  Exclude:
-    - 'Gemfile'
-
 # Offense count: 13
 # Cop supports --auto-correct.
 Style/RedundantSelf:
diff --git a/Gemfile b/Gemfile
index 2a8bc5e..57b026d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,8 +8,8 @@ detected_ruby_version = Gem::Version.new(RUBY_VERSION.dup)
 required_ruby_version = Gem::Version.new('2.1.0') # minimum supported version
 
 if detected_ruby_version < required_ruby_version
-  fail RuntimeError, "RUBY_VERSION must be at least #{required_ruby_version}" \
-                     ", detected RUBY_VERSION #{RUBY_VERSION}"
+  fail "RUBY_VERSION must be at least #{required_ruby_version}, " \
+       "detected RUBY_VERSION #{RUBY_VERSION}"
 end
 
 gem 'actionmailer', RAILS_VERSION
--
libgit2 0.21.2