diff --git a/Gemfile.lock b/Gemfile.lock
index 59e3356..8860646 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -173,7 +173,7 @@ GEM
       sync
     treetop (1.6.11)
       polyglot (~> 0.3)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext