diff --git a/Gemfile.lock b/Gemfile.lock
index 836e3eb..8627115 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
     sinatra (1.2.6)
       rack (~> 1.1)
       tilt (>= 1.2.2, < 2.0)
-    tilt (1.3)
+    tilt (1.4.1)
 
 PLATFORMS
   ruby