diff --git a/Gemfile.lock b/Gemfile.lock
index 1652637..b65c022 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,13 +7,23 @@ PATH
 GEM
   remote: http://rubygems.org/
   specs:
-    rspec (1.2.9)
+    diff-lcs (1.1.2)
+    rspec (2.0.1)
+      rspec-core (~> 2.0.1)
+      rspec-expectations (~> 2.0.1)
+      rspec-mocks (~> 2.0.1)
+    rspec-core (2.0.1)
+    rspec-expectations (2.0.1)
+      diff-lcs (>= 1.1.2)
+    rspec-mocks (2.0.1)
+      rspec-core (~> 2.0.1)
+      rspec-expectations (~> 2.0.1)
     ruby-hmac (0.4.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  rspec (~> 1.2.9)
+  rspec (~> 2.0.0)
   ruby-hmac
   signature!
diff --git a/README.md b/README.md
index e581ac4..dce168d 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ Developing
 ----------
 
     bundle
-    bundle exec spec spec/*_spec.rb
+    bundle exec rspec spec/*_spec.rb
 
 Copyright
 ---------
diff --git a/signature.gemspec b/signature.gemspec
index 95210b2..accf999 100644
--- a/signature.gemspec
+++ b/signature.gemspec
@@ -18,5 +18,5 @@ Gem::Specification.new do |s|
   s.require_paths = ["lib"]
 
   s.add_dependency "ruby-hmac"
-  s.add_development_dependency "rspec", "~> 1.2.9"
+  s.add_development_dependency "rspec", "~> 2.0.0"
 end
diff --git a/spec/spec.opts b/spec/spec.opts
deleted file mode 100644
index 4e1e0d2..0000000
--- a/spec/spec.opts
+++ /dev/null
@@ -1 +0,0 @@
---color
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index d7911e4..0c7256c 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -3,9 +3,8 @@
 
 require 'rubygems'
 require 'signature'
-require 'spec'
-require 'spec/autorun'
+require 'rspec'
 
-Spec::Runner.configure do |config|
+RSpec.configure do |config|
   
 end