diff --git a/Gemfile b/Gemfile
index 31a4bcf..07354b4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ group :development do
   gem 'jekyll-sitemap'
   gem 'rdiscount', '~> 2.0'
   gem 'RedCloth', '~> 4.2.9'
-  gem 'haml', '~> 4.0'
+  gem 'haml', '~> 5.0'
   gem 'compass', '~> 0.12.2'
   gem 'sass-globbing', '~> 1.0.0'
   gem 'rubypants', '~> 0.2.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 2953c17..dedad38 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,7 +22,8 @@ GEM
     fast-stemmer (1.0.2)
     ffi (1.12.2)
     fssm (0.2.10)
-    haml (4.0.7)
+    haml (5.0.0)
+      temple (>= 0.8.0)
       tilt
     jekyll (2.5.3)
       classifier-reborn (~> 2.0)
@@ -94,6 +95,7 @@ GEM
       rack-protection (~> 1.4)
       tilt (>= 1.3, < 3)
     stringex (1.4.0)
+    temple (0.8.2)
     tilt (2.0.10)
     toml (0.1.2)
       parslet (~> 1.5.0)
@@ -105,7 +107,7 @@ PLATFORMS
 DEPENDENCIES
   RedCloth (~> 4.2.9)
   compass (~> 0.12.2)
-  haml (~> 4.0)
+  haml (~> 5.0)
   jekyll (~> 2.0)
   jekyll-paginate
   jekyll-sitemap