diff --git a/attributes/github_for_mac.rb b/attributes/github_for_mac.rb
index 2f5ee3aa..fbd7a668 100644
--- a/attributes/github_for_mac.rb
+++ b/attributes/github_for_mac.rb
@@ -1,4 +1,3 @@
-# node.default["github_for_mac_download_uri"]="https://central.github.com/mac/latest"
-# too bad latest is redirect to url with spaces in the name :(
-node.default["github_for_mac_download_uri"]="https://github-central.s3.amazonaws.com/mac%2FGitHub%20for%20Mac%2087.zip"
+node.default["github_for_mac_download_uri"]="https://github-central.s3.amazonaws.com/mac%2FGitHub%20for%20Mac%2096.zip"
+node.default["github_for_mac_sha"]="0411b4e57b795fb4e12b8d14751a95ec49db4c5bc1d67f0f842875059350d710"
 node.default["github_for_mac_app_path"]="/Applications/GitHub.app"
diff --git a/recipes/github_for_mac.rb b/recipes/github_for_mac.rb
index b25ee3fc..ebd96940 100644
--- a/recipes/github_for_mac.rb
+++ b/recipes/github_for_mac.rb
@@ -1,26 +1,25 @@
-unless File.exists?(node["github_for_mac_app_path"])
-
-  remote_file "#{Chef::Config[:file_cache_path]}/github_for_mac.zip" do
-    source node["github_for_mac_download_uri"]
-    owner WS_USER
-    checksum "b21158e5d76583097a8d7f6d2f6f5cea0ff78852711390ec6c05f94625ec0248"
-  end
+remote_file "#{Chef::Config[:file_cache_path]}/github_for_mac.zip" do
+  source node["github_for_mac_download_uri"]
+  owner WS_USER
+  checksum node["github_for_mac_sha"]
+  not_if { File.exists?("#{Chef::Config[:file_cache_path]}/github_for_mac.zip") }
+end
 
-  execute "unzip github_for_mac" do
-    command "unzip #{Chef::Config[:file_cache_path]}/github_for_mac.zip -d #{Chef::Config[:file_cache_path]}/"
-    user WS_USER
-  end
+execute "unzip github_for_mac" do
+  command "unzip #{Chef::Config[:file_cache_path]}/github_for_mac.zip -d #{Chef::Config[:file_cache_path]}/"
+  user WS_USER
+  not_if { File.exists?("#{Chef::Config[:file_cache_path]}/GitHub.app") }
+end
 
-  execute "copy github_for_mac to /Applications" do
-    command "mv #{Chef::Config[:file_cache_path]}/GitHub.app #{Regexp.escape(node["github_for_mac_app_path"])}"
-    user WS_USER
-    group "admin"
-  end
+execute "copy github_for_mac to /Applications" do
+  command "mv #{Chef::Config[:file_cache_path]}/GitHub.app #{Regexp.escape(node["github_for_mac_app_path"])}"
+  user WS_USER
+  group "admin"
+  not_if { File.exists?(node["github_for_mac_app_path"]) }
+end
 
-  ruby_block "test to see if GitHub.app was installed" do
-    block do
-      raise "GitHub.app was not installed" unless File.exists?(node["github_for_mac_app_path"])
-    end
+ruby_block "test to see if GitHub.app was installed" do
+  block do
+    raise "GitHub.app was not installed" unless File.exists?(node["github_for_mac_app_path"])
   end
-
 end