diff --git a/sample/sinatra/Gemfile b/sample/sinatra/Gemfile
index c10abd72..0552826c 100644
--- a/sample/sinatra/Gemfile
+++ b/sample/sinatra/Gemfile
@@ -1,3 +1,4 @@
 source 'https://rubygems.org'
 
 gem 'sinatra'
+gem 'hamlit', path: '../..'
diff --git a/sample/sinatra/Gemfile.lock b/sample/sinatra/Gemfile.lock
index c64bc475..27d7a986 100644
--- a/sample/sinatra/Gemfile.lock
+++ b/sample/sinatra/Gemfile.lock
@@ -1,6 +1,15 @@
+PATH
+  remote: ../..
+  specs:
+    hamlit (0.1.0)
+      escape_utils
+      temple (~> 0.7.6)
+      tilt
+
 GEM
   remote: https://rubygems.org/
   specs:
+    escape_utils (1.1.0)
     rack (1.6.4)
     rack-protection (1.5.3)
       rack
@@ -8,12 +17,14 @@ GEM
       rack (~> 1.4)
       rack-protection (~> 1.4)
       tilt (>= 1.3, < 3)
+    temple (0.7.6)
     tilt (2.0.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  hamlit!
   sinatra
 
 BUNDLED WITH