diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index e55f942..a13232a 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -43,8 +43,3 @@ Style/PercentLiteralDelimiters:
 # Configuration parameters: EnforcedStyle, SupportedStyles.
 Style/StringLiterals:
   Enabled: false
-
-# Offense count: 12
-# Cop supports --auto-correct.
-Style/UnneededPercentQ:
-  Enabled: false
diff --git a/iso-639.gemspec b/iso-639.gemspec
index d9d1e9a..11afc0e 100644
--- a/iso-639.gemspec
+++ b/iso-639.gemspec
@@ -38,20 +38,20 @@ Gem::Specification.new do |s|
     s.specification_version = 3
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0')
-      s.add_development_dependency(%q<minitest>, ["~> 4.7.5"])
-      s.add_development_dependency(%q<mocha>, ["~> 0.14.0"])
-      s.add_development_dependency(%q<rdoc>, ["~> 3.12"])
-      s.add_development_dependency(%q<shoulda>, [">= 0"])
+      s.add_development_dependency("minitest", ["~> 4.7.5"])
+      s.add_development_dependency("mocha", ["~> 0.14.0"])
+      s.add_development_dependency("rdoc", ["~> 3.12"])
+      s.add_development_dependency("shoulda", [">= 0"])
     else
-      s.add_dependency(%q<minitest>, ["~> 4.7.5"])
-      s.add_dependency(%q<mocha>, ["~> 0.14.0"])
-      s.add_dependency(%q<rdoc>, ["~> 3.12"])
-      s.add_dependency(%q<shoulda>, [">= 0"])
+      s.add_dependency("minitest", ["~> 4.7.5"])
+      s.add_dependency("mocha", ["~> 0.14.0"])
+      s.add_dependency("rdoc", ["~> 3.12"])
+      s.add_dependency("shoulda", [">= 0"])
     end
   else
-    s.add_dependency(%q<minitest>, ["~> 4.7.5"])
-    s.add_dependency(%q<mocha>, ["~> 0.14.0"])
-    s.add_dependency(%q<rdoc>, ["~> 3.12"])
-    s.add_dependency(%q<shoulda>, [">= 0"])
+    s.add_dependency("minitest", ["~> 4.7.5"])
+    s.add_dependency("mocha", ["~> 0.14.0"])
+    s.add_dependency("rdoc", ["~> 3.12"])
+    s.add_dependency("shoulda", [">= 0"])
   end
 end