diff --git a/Gemfile.lock b/Gemfile.lock
index 09d42c0..c5f56c5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -171,7 +171,7 @@ GEM
     timecop (0.9.1)
     timers (4.1.2)
       hitimes
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uber (0.1.0)
     unf (0.1.4)