diff --git a/History.txt b/History.txt
index a46d78b..84cbd2b 100644
--- a/History.txt
+++ b/History.txt
@@ -7,7 +7,8 @@
   * Save and open page directory specified via configuration, defaults to tmp dir otherwise current dir (Noah Davis)
 
 * Bug fixes
-  
+
+  * Added missing dependency "rack-test" to gemspec (LH #339) (Noah Davis)
   * Removed save_and_open_page's rewriting of static asset paths before saving (was not actually working) (Noah Davis)
   * Make "should contain" ignore extra whitespace when doing string comparisons (Noah Davis)
   * Make selenium matchers handle negative match more consistently with positive match (Luke Melia)
diff --git a/Thorfile b/Thorfile
index 8ceeac2..d3c7114 100644
--- a/Thorfile
+++ b/Thorfile
@@ -32,6 +32,7 @@ Most Ruby web frameworks and testing frameworks are supported.
 
       s.add_dependency "nokogiri", ">= 1.2.0"
       s.add_dependency "rack", ">= 1.0"
+      s.add_dependency "rack-test", ">= 0.5.3"
     end
   end
 
diff --git a/webrat.gemspec b/webrat.gemspec
index 3128fff..b9bc1e1 100644
--- a/webrat.gemspec
+++ b/webrat.gemspec
@@ -6,7 +6,7 @@ Gem::Specification.new do |s|
 
   s.required_rubygems_version = Gem::Requirement.new("> 1.3.1") if s.respond_to? :required_rubygems_version=
   s.authors = ["Bryan Helmkamp"]
-  s.date = %q{2009-11-28}
+  s.date = %q{2010-01-17}
   s.description = %q{Webrat lets you quickly write expressive and robust acceptance tests
 for a Ruby web application. It supports simulating a browser inside
 a Ruby process to avoid the performance hit and browser dependency of
@@ -337,12 +337,15 @@ Most Ruby web frameworks and testing frameworks are supported.}
     if Gem::Version.new(Gem::RubyGemsVersion) >= Gem::Version.new('1.2.0') then
       s.add_runtime_dependency(%q<nokogiri>, [">= 1.2.0"])
       s.add_runtime_dependency(%q<rack>, [">= 1.0"])
+      s.add_runtime_dependency(%q<rack-test>, [">= 0.5.3"])
     else
       s.add_dependency(%q<nokogiri>, [">= 1.2.0"])
       s.add_dependency(%q<rack>, [">= 1.0"])
+      s.add_dependency(%q<rack-test>, [">= 0.5.3"])
     end
   else
     s.add_dependency(%q<nokogiri>, [">= 1.2.0"])
     s.add_dependency(%q<rack>, [">= 1.0"])
+    s.add_dependency(%q<rack-test>, [">= 0.5.3"])
   end
 end