diff --git a/Gemfile.lock b/Gemfile.lock
index 836e3eb..436e504 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,8 @@ GEM
   specs:
     builder (3.0.0)
     crack (0.1.8)
-    haml (3.1.1)
+    haml (4.0.6)
+      tilt
     httparty (0.7.7)
       crack (= 0.1.8)
     json (1.5.1)