diff --git a/Gemfile.lock b/Gemfile.lock
index 7e95396..35f6e4b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,7 +47,7 @@ GEM
     sqlite3 (1.3.10)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     yard (0.9.20)
     yard-sinatra (1.0.0)