diff --git a/Gemfile.lock b/Gemfile.lock
index c5e571e..8c54eac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -90,7 +90,7 @@ GEM
       set (~> 1.0)
     thor (1.1.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (2.0.0)
     yard (0.9.26)