diff --git a/Gemfile.lock b/Gemfile.lock
index 7e6fbc9..82c196a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
       tilt (>= 1.3, < 3)
     thread_safe (0.3.6)
     tilt (2.0.9)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     xpath (3.2.0)
       nokogiri (~> 1.8)