diff --git a/Gemfile.lock b/Gemfile.lock
index e2f55c6..1df27e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -125,7 +125,7 @@ GEM
     tilt (2.0.10)
     toml (0.2.0)
       parslet (~> 1.8.0)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)