diff --git a/Gemfile b/Gemfile
index a118dde..82869c9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,8 @@
 source 'https://rubygems.org'
 
-gem "jekyll"
\ No newline at end of file
+gem "jekyll",     '=1.0.2'
+gem 'liquid',     '=2.5.0'
+gem 'redcarpet',  '=2.2.2'
+gem 'maruku',     '=0.6.1'
+gem 'rdiscount',  '=1.6.8'
+gem 'RedCloth',   '=4.2.9'
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index 25f65b4..a9e345a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,25 +1,36 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    RedCloth (4.2.9)
     classifier (1.3.3)
       fast-stemmer (>= 1.0.0)
-    directory_watcher (1.5.1)
+    colorator (0.1)
+    commander (4.1.3)
+      highline (~> 1.6.11)
+    directory_watcher (1.4.1)
     fast-stemmer (1.0.2)
-    jekyll (0.12.1)
+    highline (1.6.18)
+    jekyll (1.0.2)
       classifier (~> 1.3)
-      directory_watcher (~> 1.1)
-      kramdown (~> 0.14)
+      colorator (~> 0.1)
+      commander (~> 4.1.3)
+      directory_watcher (~> 1.4.1)
+      kramdown (~> 1.0.2)
       liquid (~> 2.3)
       maruku (~> 0.5)
-      pygments.rb (~> 0.3.2)
-    kramdown (0.14.2)
+      pygments.rb (~> 0.5.0)
+      safe_yaml (~> 0.7.0)
+    kramdown (1.0.2)
     liquid (2.5.0)
     maruku (0.6.1)
       syntax (>= 1.0.0)
     posix-spawn (0.3.6)
-    pygments.rb (0.3.7)
+    pygments.rb (0.5.0)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.1.0)
+    rdiscount (1.6.8)
+    redcarpet (2.2.2)
+    safe_yaml (0.7.1)
     syntax (1.0.0)
     yajl-ruby (1.1.0)
 
@@ -27,4 +38,9 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  jekyll
+  RedCloth (= 4.2.9)
+  jekyll (= 1.0.2)
+  liquid (= 2.5.0)
+  maruku (= 0.6.1)
+  rdiscount (= 1.6.8)
+  redcarpet (= 2.2.2)
diff --git a/script/server b/script/server
index dc8e58e..0a204b7 100755
--- a/script/server
+++ b/script/server
@@ -2,4 +2,4 @@
 
 set -e
 
-bundle exec jekyll --server
\ No newline at end of file
+bundle exec jekyll serve -w
\ No newline at end of file