diff --git a/Gemfile.lock b/Gemfile.lock
index 0d28d52..890bdf1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
     thread_safe (0.3.6)
     timers (4.1.1)
       hitimes
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext