diff --git a/Gemfile.lock b/Gemfile.lock
index 8173116..7d6b8d5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
     simplecov-html (0.10.2)
     thor (0.20.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
     webmock (3.3.0)