diff --git a/Gemfile b/Gemfile
index b744ba1..f8b1542 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,9 +1,9 @@
 source :rubygems
 
 group :development do
-  gem "RedCloth", "~> 4.2"
+  gem "RedCloth", "~> 4.3", ">= 4.3.0"
   gem "foreman",  "~> 0.13"
-  gem "serve",    "~> 1.0"
-  gem "jekyll",   "~> 0.10"
-  gem "thin",     "~> 1.2"
+  gem "serve", "~> 1.5", ">= 1.5.0"
+  gem "jekyll", "~> 1.4", ">= 1.4.3"
+  gem "thin", "~> 1.2", ">= 1.2.11"
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 8b54f2a..44410f2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,47 +1,95 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    RedCloth (4.2.7)
-    activesupport (3.0.7)
-    classifier (1.3.3)
-      fast-stemmer (>= 1.0.0)
-    daemons (1.1.3)
-    directory_watcher (1.4.0)
-    eventmachine (0.12.10)
-    fast-stemmer (1.0.0)
+    RedCloth (4.3.2)
+    activesupport (3.2.22.5)
+      i18n (~> 0.6, >= 0.6.4)
+      multi_json (~> 1.0)
+    blankslate (2.1.2.4)
+    classifier (1.3.5)
+      fast-stemmer (~> 1.0.0)
+      mathn
+      rake
+    colorator (0.1)
+    commander (4.1.6)
+      highline (~> 1.6.11)
+    concurrent-ruby (1.0.5)
+    daemons (1.2.6)
+    eventmachine (1.2.7)
+    fast-stemmer (1.0.2)
+    ffi (1.9.25)
     foreman (0.13.0)
       term-ansicolor (~> 1.0.5)
       thor (>= 0.13.6)
-    i18n (0.4.2)
-    jekyll (0.10.0)
-      classifier (>= 1.3.1)
-      directory_watcher (>= 1.1.1)
-      liquid (>= 1.9.0)
-      maruku (>= 0.5.9)
-    liquid (2.2.2)
-    maruku (0.6.0)
-      syntax (>= 1.0.0)
-    rack (1.2.2)
-    serve (1.0.0)
-      activesupport (~> 3.0.1)
-      i18n (~> 0.4.1)
-      rack (~> 1.2.1)
-      tzinfo (~> 0.3.23)
-    syntax (1.0.0)
+    highline (1.6.21)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    jekyll (1.5.1)
+      classifier (~> 1.3)
+      colorator (~> 0.1)
+      commander (~> 4.1.3)
+      liquid (~> 2.5.5)
+      listen (~> 1.3)
+      maruku (= 0.7.0)
+      pygments.rb (~> 0.5.0)
+      redcarpet (~> 2.3.0)
+      safe_yaml (~> 1.0)
+      toml (~> 0.1.0)
+    liquid (2.5.5)
+    listen (1.3.1)
+      rb-fsevent (>= 0.9.3)
+      rb-inotify (>= 0.9)
+      rb-kqueue (>= 0.2)
+    maruku (0.7.0)
+    mathn (0.1.0)
+    multi_json (1.13.1)
+    parslet (1.5.0)
+      blankslate (~> 2.0)
+    posix-spawn (0.3.13)
+    pygments.rb (0.5.4)
+      posix-spawn (~> 0.3.6)
+      yajl-ruby (~> 1.1.0)
+    rack (1.5.5)
+    rack-test (0.6.3)
+      rack (>= 1.0)
+    rake (12.3.1)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.9.10)
+      ffi (>= 0.5.0, < 2)
+    rb-kqueue (0.2.5)
+      ffi (>= 0.5.0)
+    redcarpet (2.3.0)
+    safe_yaml (1.0.4)
+    serve (1.5.2)
+      activesupport (~> 3.2.12)
+      i18n
+      rack (~> 1.5.2)
+      rack-test (~> 0.6.2)
+      tilt (~> 1.3.3)
+      tzinfo
     term-ansicolor (1.0.5)
-    thin (1.2.11)
-      daemons (>= 1.0.9)
-      eventmachine (>= 0.12.6)
-      rack (>= 1.0.0)
+    thin (1.7.2)
+      daemons (~> 1.0, >= 1.0.9)
+      eventmachine (~> 1.0, >= 1.0.4)
+      rack (>= 1, < 3)
     thor (0.14.6)
-    tzinfo (0.3.27)
+    thread_safe (0.3.6)
+    tilt (1.3.7)
+    toml (0.1.2)
+      parslet (~> 1.5.0)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
+    yajl-ruby (1.1.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  RedCloth (~> 4.2)
+  RedCloth (~> 4.3, >= 4.3.0)
   foreman (~> 0.13)
-  jekyll (~> 0.10)
-  serve (~> 1.0)
-  thin (~> 1.2)
+  jekyll (~> 1.4, >= 1.4.3)
+  serve (~> 1.5, >= 1.5.0)
+  thin (~> 1.2, >= 1.2.11)
+
+BUNDLED WITH
+   1.16.1