diff --git a/Rakefile b/Rakefile
index 6f19dcc1..fdb93e96 100644
--- a/Rakefile
+++ b/Rakefile
@@ -24,8 +24,3 @@ def pages_submodule_present
   File.exist?('pages/download.html')
 end
 
-class String
-  include Term::ANSIColor
-end
-
-Term::ANSIColor.coloring = STDOUT.isatty
diff --git a/jasmine-core.gemspec b/jasmine-core.gemspec
index 049710fe..48195699 100644
--- a/jasmine-core.gemspec
+++ b/jasmine-core.gemspec
@@ -16,7 +16,6 @@ Gem::Specification.new do |s|
 
   s.files         = Dir.glob("./lib/**/*") + Dir.glob("./lib/jasmine-core/spec/**/*.js")
   s.require_paths = ["lib"]
-  s.add_development_dependency "term-ansicolor"
   s.add_development_dependency "json_pure", ">= 1.4.3"
   s.add_development_dependency "frank"
   s.add_development_dependency "sass"
diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index f22c7633..a9c03f73 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -2524,5 +2524,5 @@ jasmine.version_= {
   "major": 1,
   "minor": 1,
   "build": 0,
-  "revision": 1332515016
+  "revision": 1333301588
 };
diff --git a/tasks/jasmine_dev/execute_specs.rb b/tasks/jasmine_dev/execute_specs.rb
index fa954135..63f4ff02 100644
--- a/tasks/jasmine_dev/execute_specs.rb
+++ b/tasks/jasmine_dev/execute_specs.rb
@@ -12,7 +12,7 @@ class JasmineDev < Thor
 
     say "Running all appropriate specs via Node.js...", :cyan
 
-    with_color_option = Term::ANSIColor.coloring? ? "--color" : "--noColor"
+    with_color_option = STDOUT.isatty ? "--color" : "--noColor"
 
     run_with_output "node spec/node_suite.js #{with_color_option}", :capture => true
   end