diff --git a/example/sinatra/Gemfile b/example/sinatra/Gemfile
index e3b4941..1dc15d3 100644
--- a/example/sinatra/Gemfile
+++ b/example/sinatra/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 gem 'sinatra', '~>1.4.7'
 gem 'thin',  '~>1.1'
-gem 'haml', '~>4.0.7'
+gem 'haml', '~>5.1.2'
 gem 'data_mapper', '~>1.2.0'
 gem 'dm-sqlite-adapter', '~>1.2.0'
 gem 'patreon', :path => './../../'
diff --git a/example/sinatra/Gemfile.lock b/example/sinatra/Gemfile.lock
index e6e4779..e984d65 100644
--- a/example/sinatra/Gemfile.lock
+++ b/example/sinatra/Gemfile.lock
@@ -64,7 +64,8 @@ GEM
       data_objects (= 0.10.17)
     eventmachine (1.2.7)
     fastercsv (1.5.5)
-    haml (4.0.7)
+    haml (5.1.2)
+      temple (>= 0.8.0)
       tilt
     json (1.8.6)
     json-api-vanilla (1.0.1)
@@ -79,11 +80,12 @@ GEM
       rack-protection (~> 1.4)
       tilt (>= 1.3, < 3)
     stringex (1.5.1)
+    temple (0.8.2)
     thin (1.7.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
-    tilt (2.0.8)
+    tilt (2.0.10)
     uuidtools (2.1.5)
 
 PLATFORMS
@@ -92,7 +94,7 @@ PLATFORMS
 DEPENDENCIES
   data_mapper (~> 1.2.0)
   dm-sqlite-adapter (~> 1.2.0)
-  haml (~> 4.0.7)
+  haml (~> 5.1.2)
   patreon!
   sinatra (~> 1.4.7)
   thin (~> 1.1)