diff --git a/Gemfile b/Gemfile
index 4f1df5d8..110dc8e0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ 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 c098d897..ca7d4626 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,7 +12,9 @@ GEM
     directory_watcher (1.5.1)
     fast-stemmer (1.0.2)
     fssm (0.2.10)
-    haml (3.1.8)
+    haml (5.0.0)
+      temple (>= 0.8.0)
+      tilt
     jekyll (0.12.1)
       classifier (~> 1.3)
       directory_watcher (~> 1.1)
@@ -43,6 +45,7 @@ GEM
       rack-protection (~> 1.4)
       tilt (~> 1.3, >= 1.3.4)
     stringex (1.5.1)
+    temple (0.8.2)
     tilt (1.4.1)
     yajl-ruby (1.1.0)
 
@@ -52,7 +55,7 @@ PLATFORMS
 DEPENDENCIES
   RedCloth (~> 4.2.9)
   compass (~> 0.12.2)
-  haml (~> 3.1.7)
+  haml (~> 5.0.0)
   jekyll (~> 0.12)
   liquid (~> 2.3.0)
   puma (~> 2.0)