diff --git a/Gemfile.lock b/Gemfile.lock
index b91c4d9dd24..29837a31f6a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -407,7 +407,7 @@ GEM
       delayed_job (~> 4.1)
       sequel (>= 5.0, < 6.0)
     thor (1.5.0)
-    tilt (2.8.0)
+    tilt (2.9.0)
     timecop (0.9.11)
     tsort (0.2.0)
     tzinfo (2.0.6)