diff --git a/kontoapi-rails.gemspec b/kontoapi-rails.gemspec
index 9609f44..b70bbb1 100644
--- a/kontoapi-rails.gemspec
+++ b/kontoapi-rails.gemspec
@@ -5,11 +5,11 @@
 
 Gem::Specification.new do |s|
   s.name = "kontoapi-rails"
-  s.version = "0.2.2"
+  s.version = "0.2.3"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Jan Schwenzien"]
-  s.date = "2012-05-16"
+  s.date = "2012-08-03"
   s.description = "This library is a wrapper for the Konto API (https://www.kontoapi.de/). It provides a validation method for models that checks if a given account number and bank code represent a valid combination."
   s.email = "jan@schwenzien.org"
   s.extra_rdoc_files = [
@@ -41,10 +41,6 @@ Gem::Specification.new do |s|
   s.require_paths = ["lib"]
   s.rubygems_version = "1.8.23"
   s.summary = "A wrapper for the Konto API (https://www.kontoapi.de/) providing model validation."
-  s.test_files = [
-    "spec/kontoapi-rails_spec.rb",
-    "spec/spec_helper.rb"
-  ]
 
   if s.respond_to? :specification_version then
     s.specification_version = 3
@@ -52,25 +48,25 @@ Gem::Specification.new do |s|
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
       s.add_runtime_dependency(%q<rails>, [">= 3.0.0"])
       s.add_runtime_dependency(%q<kontoapi-ruby>, [">= 0.2.0"])
-      s.add_development_dependency(%q<rspec>, ["~> 2.3.0"])
-      s.add_development_dependency(%q<bundler>, ["~> 1.0.0"])
-      s.add_development_dependency(%q<jeweler>, ["~> 1.5.2"])
-      s.add_development_dependency(%q<rcov>, [">= 0"])
+      s.add_development_dependency(%q<rspec>, [">= 2.3.0"])
+      s.add_development_dependency(%q<bundler>, [">= 1.1.0"])
+      s.add_development_dependency(%q<jeweler>, [">= 1.5.2"])
+      s.add_development_dependency(%q<simplecov>, [">= 0"])
     else
       s.add_dependency(%q<rails>, [">= 3.0.0"])
       s.add_dependency(%q<kontoapi-ruby>, [">= 0.2.0"])
-      s.add_dependency(%q<rspec>, ["~> 2.3.0"])
-      s.add_dependency(%q<bundler>, ["~> 1.0.0"])
-      s.add_dependency(%q<jeweler>, ["~> 1.5.2"])
-      s.add_dependency(%q<rcov>, [">= 0"])
+      s.add_dependency(%q<rspec>, [">= 2.3.0"])
+      s.add_dependency(%q<bundler>, [">= 1.1.0"])
+      s.add_dependency(%q<jeweler>, [">= 1.5.2"])
+      s.add_dependency(%q<simplecov>, [">= 0"])
     end
   else
     s.add_dependency(%q<rails>, [">= 3.0.0"])
     s.add_dependency(%q<kontoapi-ruby>, [">= 0.2.0"])
-    s.add_dependency(%q<rspec>, ["~> 2.3.0"])
-    s.add_dependency(%q<bundler>, ["~> 1.0.0"])
-    s.add_dependency(%q<jeweler>, ["~> 1.5.2"])
-    s.add_dependency(%q<rcov>, [">= 0"])
+    s.add_dependency(%q<rspec>, [">= 2.3.0"])
+    s.add_dependency(%q<bundler>, [">= 1.1.0"])
+    s.add_dependency(%q<jeweler>, [">= 1.5.2"])
+    s.add_dependency(%q<simplecov>, [">= 0"])
   end
 end