diff --git a/github-linguist.gemspec b/github-linguist.gemspec
index 9d2f73c1..df0943e1 100644
--- a/github-linguist.gemspec
+++ b/github-linguist.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.executables << 'linguist'
 
   s.add_dependency 'charlock_holmes', '~> 0.6.6'
-  s.add_dependency 'escape_utils',    '>= 0.3.1'
+  s.add_dependency 'escape_utils',    '~> 1.0.1'
   s.add_dependency 'mime-types',      '~> 1.19'
   s.add_dependency 'pygments.rb',     '~> 0.5.4'