diff --git a/Gemfile b/Gemfile
index f6e1c65..de86797 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ group :development do
   gem 'rack', '~> 1.4.1'
   gem 'jekyll', '~> 0.11.2'
   gem 'rdiscount', '~> 1.6.8'
-  gem 'pygments.rb', '~> 0.2.12'
+  gem 'pygments.rb', '~> 0.3.3'
   gem 'RedCloth', '~> 4.2.9'
   gem 'haml', '~> 3.1.6'
   gem 'compass', '~> 0.12.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5ef2e83..f475af2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,6 @@ GEM
     RedCloth (4.2.9)
     albino (1.3.3)
       posix-spawn (>= 0.3.6)
-    blankslate (2.1.2.4)
     chunky_png (1.2.5)
     classifier (1.3.3)
       fast-stemmer (>= 1.0.0)
@@ -14,7 +13,6 @@ GEM
       sass (~> 3.1)
     directory_watcher (1.4.1)
     fast-stemmer (1.0.1)
-    ffi (1.0.11)
     fssm (0.2.9)
     haml (3.1.6)
     jekyll (0.11.2)
@@ -32,6 +30,9 @@ GEM
     posix-spawn (0.3.6)
     pygments.rb (0.2.12)
       rubypython (~> 0.5.3)
+    pygments.rb (0.3.3)
+      posix-spawn (~> 0.3.6)
+      yajl-ruby (~> 1.1.0)
     rack (1.4.1)
     rack-protection (1.2.0)
       rack
@@ -46,6 +47,7 @@ GEM
       blankslate (>= 2.1.2.3)
       ffi (~> 1.0.7)
     sass (3.1.18)
+    sass (3.1.20)
     sinatra (1.3.2)
       rack (~> 1.3, >= 1.3.6)
       rack-protection (~> 1.2)
@@ -53,6 +55,7 @@ GEM
     stringex (1.4.0)
     syntax (1.0.0)
     tilt (1.3.3)
+    yajl-ruby (1.1.0)
 
 PLATFORMS
   ruby
@@ -63,7 +66,7 @@ DEPENDENCIES
   haml (~> 3.1.6)
   jekyll (~> 0.11.2)
   liquid (~> 2.3.0)
-  pygments.rb (~> 0.2.12)
+  pygments.rb (~> 0.3.3)
   rack (~> 1.4.1)
   rake (~> 0.9.2)
   rake-minify
diff --git a/plugins/gist_tag.rb b/plugins/gist_tag.rb
index 32ae9c8..b658c1a 100644
--- a/plugins/gist_tag.rb
+++ b/plugins/gist_tag.rb
@@ -55,7 +55,7 @@ module Jekyll
           code = get_range(code, @options[:start], @options[:end])
           code = highlight(code, @options)
         end
-        code
+        cache || code
       else
         "Gist formatting error, format should be {% gist gist_id [filename] %}"
       end