diff --git a/Gemfile.lock b/Gemfile.lock
index 883e313..63aad95 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
     simplecov_json_formatter (0.1.2)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tzinfo (1.2.8)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     yard (0.9.25)