diff --git a/Gemfile.lock b/Gemfile.lock
index 0f98b6b7..ed64b882 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -420,7 +420,7 @@ GEM
     thor (0.20.3)
     thread_safe (0.3.6)
     trollop (2.1.2)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext