diff --git a/Gemfile.lock b/Gemfile.lock
index acab6ddc..eb4a15a9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -105,7 +105,7 @@ GEM
       rack (>= 1, < 3)
     thread_safe (0.3.6)
     tilt (2.0.5)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext