diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3d47e80
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+Gemfile.lock
+stats
diff --git a/Gemfile b/Gemfile
index db6a6de..d3df832 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,3 @@
-source :rubygems
-gem 'redcarpet'
-gem 'showoff'
-gem 'heroku'
+source 'https://rubygems.org'
+
+gem 'showoff', '~> 0.9.7'
diff --git a/Gemfile.lock b/Gemfile.lock
deleted file mode 100644
index 56e1cb2..0000000
--- a/Gemfile.lock
+++ /dev/null
@@ -1,47 +0,0 @@
-GEM
-  remote: http://rubygems.org/
-  specs:
-    addressable (2.2.7)
-    blankslate (2.1.2.4)
-    bluecloth (2.2.0)
-    gli (1.5.1)
-    heroku (2.21.3)
-      launchy (>= 0.3.2)
-      netrc (~> 0.7.1)
-      rest-client (~> 1.6.1)
-      rubyzip
-    json (1.6.5)
-    launchy (2.0.5)
-      addressable (~> 2.2.6)
-    mime-types (1.17.2)
-    netrc (0.7.1)
-    nokogiri (1.5.2)
-    parslet (1.3.0)
-      blankslate (~> 2.0)
-    rack (1.4.1)
-    rack-protection (1.2.0)
-      rack
-    redcarpet (2.1.0)
-    rest-client (1.6.7)
-      mime-types (>= 1.16)
-    rubyzip (0.9.6.1)
-    showoff (0.7.0)
-      bluecloth
-      gli (>= 1.3.2)
-      json
-      nokogiri
-      parslet
-      sinatra
-    sinatra (1.3.2)
-      rack (~> 1.3, >= 1.3.6)
-      rack-protection (~> 1.2)
-      tilt (~> 1.3, >= 1.3.3)
-    tilt (1.3.3)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  heroku
-  redcarpet
-  showoff