diff --git a/Gemfile.lock b/Gemfile.lock
index dff0023..27e9f99 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
       sync
     treetop (1.6.11)
       polyglot (~> 0.3)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     yard (0.9.25)