diff --git a/Gemfile.lock b/Gemfile.lock
index b01bbf0..9b5664b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
     thread_safe (0.3.6)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.6.0)