diff --git a/Gemfile.lock b/Gemfile.lock
index 9ef777b..eb45b51 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
     sqlite3 (1.3.13)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     yard (0.9.20)