diff --git a/octopress/Gemfile b/octopress/Gemfile
index be2518b..f21cb6b 100644
--- a/octopress/Gemfile
+++ b/octopress/Gemfile
@@ -7,7 +7,7 @@ group :development do
   gem 'rdiscount', '~> 1.6.8'
   gem 'pygments.rb', '~> 0.2.12'
   gem 'RedCloth', '~> 4.2.9'
-  gem 'haml', '~> 3.1.6'
+  gem 'haml', '~> 5.0.0'
   gem 'compass', '~> 0.12.1'
   gem 'rubypants', '~> 0.2.0'
   gem 'rb-fsevent', '~> 0.9'
diff --git a/octopress/Gemfile.lock b/octopress/Gemfile.lock
index 5060be1..8fc5eae 100644
--- a/octopress/Gemfile.lock
+++ b/octopress/Gemfile.lock
@@ -16,7 +16,9 @@ GEM
     fast-stemmer (1.0.1)
     ffi (1.0.11)
     fssm (0.2.9)
-    haml (3.1.6)
+    haml (5.0.0)
+      temple (>= 0.8.0)
+      tilt
     jekyll (0.11.2)
       albino (~> 1.3)
       classifier (~> 1.3)
@@ -48,6 +50,7 @@ GEM
       tilt (~> 1.3, >= 1.3.3)
     stringex (1.4.0)
     syntax (1.0.0)
+    temple (0.8.2)
     tilt (1.3.3)
 
 PLATFORMS
@@ -56,7 +59,7 @@ PLATFORMS
 DEPENDENCIES
   RedCloth (~> 4.2.9)
   compass (~> 0.12.1)
-  haml (~> 3.1.6)
+  haml (~> 5.0.0)
   jekyll (~> 0.11.2)
   liquid (~> 2.3.0)
   pygments.rb (~> 0.2.12)