diff --git a/Gemfile b/Gemfile
index cd8ce57..ad40ace 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ group :development do
   gem 'rdiscount', '~> 2.0.7'
   gem 'pygments.rb', '~> 0.3.4'
   gem 'RedCloth', '~> 4.2.9'
-  gem 'haml', '~> 3.1.7'
+  gem 'haml', '~> 5.0.0'
   gem 'compass', '~> 0.12.2'
   gem 'sass', '~> 3.2'
   gem 'sass-globbing', '~> 1.0.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 182c30b..0b14ffe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,7 +12,9 @@ GEM
     directory_watcher (1.4.1)
     fast-stemmer (1.0.1)
     fssm (0.2.9)
-    haml (3.1.7)
+    haml (5.0.0)
+      temple (>= 0.8.0)
+      tilt
     jekyll (0.12.0)
       classifier (~> 1.3)
       directory_watcher (~> 1.1)
@@ -44,6 +46,7 @@ GEM
       tilt (~> 1.3, >= 1.3.4)
     stringex (1.4.0)
     syntax (1.0.0)
+    temple (0.8.2)
     tilt (1.3.7)
     yajl-ruby (1.1.0)
 
@@ -54,7 +57,7 @@ DEPENDENCIES
   RedCloth (~> 4.2.9)
   compass (~> 0.12.2)
   directory_watcher (= 1.4.1)
-  haml (~> 3.1.7)
+  haml (~> 5.0.0)
   jekyll (~> 0.12)
   liquid (~> 2.3.0)
   pygments.rb (~> 0.3.4)