diff --git a/Gemfile.lock b/Gemfile.lock
index d02572b..af0aaf3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
     sysexits (1.2.0)
     thread_safe (0.3.6)
     tilt (2.0.6)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.1.3)